Home / 623,917.17-861,005.70-337,437.18

Finding the Fourth Proportional to 623,917.17, 861,005.70 and 337,437.18

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Solution

The fourth proportional to 623,917.17, 861,005.70 and 337,437.18 is: 465,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,917.17 : 861,005.70 = 337,437.18 : x
  2. Step 2: Convert to fraction form
    623,917.17/861,005.70 = 337,437.18/x
  3. Step 3: Cross multiply
    623,917.17x = 861,005.70 × 337,437.18
  4. Step 4: Simplify right side
    623,917.17x = 290,535,335,371.93
  5. Step 5: Solve for x
    x = 290,535,335,371.93/623,917.17
  6. Step 6: Final answer
    x = 465,663.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.