Home / 782,997.60-1,174,496.40-517,058.40

Finding the Fourth Proportional to 782,997.60, 1,174,496.40 and 517,058.40

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Solution

The fourth proportional to 782,997.60, 1,174,496.40 and 517,058.40 is: 775,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,997.60 : 1,174,496.40 = 517,058.40 : x
  2. Step 2: Convert to fraction form
    782,997.60/1,174,496.40 = 517,058.40/x
  3. Step 3: Cross multiply
    782,997.60x = 1,174,496.40 × 517,058.40
  4. Step 4: Simplify right side
    782,997.60x = 607,283,229,389.76
  5. Step 5: Solve for x
    x = 607,283,229,389.76/782,997.60
  6. Step 6: Final answer
    x = 775,587.60

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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.