Home / 623,961.28-861,063.96-337,480.68

Finding the Fourth Proportional to 623,961.28, 861,063.96 and 337,480.68

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Solution

The fourth proportional to 623,961.28, 861,063.96 and 337,480.68 is: 465,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,961.28 : 861,063.96 = 337,480.68 : x
  2. Step 2: Convert to fraction form
    623,961.28/861,063.96 = 337,480.68/x
  3. Step 3: Cross multiply
    623,961.28x = 861,063.96 × 337,480.68
  4. Step 4: Simplify right side
    623,961.28x = 290,592,450,744.29
  5. Step 5: Solve for x
    x = 290,592,450,744.29/623,961.28
  6. Step 6: Final answer
    x = 465,721.93

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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.