Home / 583,217.06-874,825.60-139,985.06

Finding the Fourth Proportional to 583,217.06, 874,825.60 and 139,985.06

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Solution

The fourth proportional to 583,217.06, 874,825.60 and 139,985.06 is: 209,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,217.06 : 874,825.60 = 139,985.06 : x
  2. Step 2: Convert to fraction form
    583,217.06/874,825.60 = 139,985.06/x
  3. Step 3: Cross multiply
    583,217.06x = 874,825.60 × 139,985.06
  4. Step 4: Simplify right side
    583,217.06x = 122,462,515,942.64
  5. Step 5: Solve for x
    x = 122,462,515,942.64/583,217.06
  6. Step 6: Final answer
    x = 209,977.59

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Half scale
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Double scale
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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.