Home / 626,724.17-864,044.09-498,092.09

Finding the Fourth Proportional to 626,724.17, 864,044.09 and 498,092.09

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Solution

The fourth proportional to 626,724.17, 864,044.09 and 498,092.09 is: 686,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,724.17 : 864,044.09 = 498,092.09 : x
  2. Step 2: Convert to fraction form
    626,724.17/864,044.09 = 498,092.09/x
  3. Step 3: Cross multiply
    626,724.17x = 864,044.09 × 498,092.09
  4. Step 4: Simplify right side
    626,724.17x = 430,373,523,565.26
  5. Step 5: Solve for x
    x = 430,373,523,565.26/626,724.17
  6. Step 6: Final answer
    x = 686,703.25

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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.