Home / 924,132.20-1,275,302.43-521,724.20

Finding the Fourth Proportional to 924,132.20, 1,275,302.43 and 521,724.20

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Solution

The fourth proportional to 924,132.20, 1,275,302.43 and 521,724.20 is: 719,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,132.20 : 1,275,302.43 = 521,724.20 : x
  2. Step 2: Convert to fraction form
    924,132.20/1,275,302.43 = 521,724.20/x
  3. Step 3: Cross multiply
    924,132.20x = 1,275,302.43 × 521,724.20
  4. Step 4: Simplify right side
    924,132.20x = 665,356,133,673.29
  5. Step 5: Solve for x
    x = 665,356,133,673.29/924,132.20
  6. Step 6: Final answer
    x = 719,979.39

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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.