Home / 623,970.28-861,079.04-337,490.38

Finding the Fourth Proportional to 623,970.28, 861,079.04 and 337,490.38

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Solution

The fourth proportional to 623,970.28, 861,079.04 and 337,490.38 is: 465,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,970.28 : 861,079.04 = 337,490.38 : x
  2. Step 2: Convert to fraction form
    623,970.28/861,079.04 = 337,490.38/x
  3. Step 3: Cross multiply
    623,970.28x = 861,079.04 × 337,490.38
  4. Step 4: Simplify right side
    623,970.28x = 290,605,892,419.64
  5. Step 5: Solve for x
    x = 290,605,892,419.64/623,970.28
  6. Step 6: Final answer
    x = 465,736.75

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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.