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Finding the Fourth Proportional to 583,229.13, 874,843.70 and 139,997.13

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Solution

The fourth proportional to 583,229.13, 874,843.70 and 139,997.13 is: 209,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,229.13 : 874,843.70 = 139,997.13 : x
  2. Step 2: Convert to fraction form
    583,229.13/874,843.70 = 139,997.13/x
  3. Step 3: Cross multiply
    583,229.13x = 874,843.70 × 139,997.13
  4. Step 4: Simplify right side
    583,229.13x = 122,475,607,198.58
  5. Step 5: Solve for x
    x = 122,475,607,198.58/583,229.13
  6. Step 6: Final answer
    x = 209,995.70

Related Problems

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Half scale
Find fourth proportional to 1,166,458.26, 1,749,687.40 and 279,994.26
Double scale
Find fourth proportional to 583,230.13, 874,845.20 and 139,998.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.