Home / 623,917.48-861,006.10-337,437.56

Finding the Fourth Proportional to 623,917.48, 861,006.10 and 337,437.56

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Solution

The fourth proportional to 623,917.48, 861,006.10 and 337,437.56 is: 465,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,917.48 : 861,006.10 = 337,437.56 : x
  2. Step 2: Convert to fraction form
    623,917.48/861,006.10 = 337,437.56/x
  3. Step 3: Cross multiply
    623,917.48x = 861,006.10 × 337,437.56
  4. Step 4: Simplify right side
    623,917.48x = 290,535,797,529.12
  5. Step 5: Solve for x
    x = 290,535,797,529.12/623,917.48
  6. Step 6: Final answer
    x = 465,663.82

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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.