Home / 382,723.20-527,929.92-297,705.60

Finding the Fourth Proportional to 382,723.20, 527,929.92 and 297,705.60

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Solution

The fourth proportional to 382,723.20, 527,929.92 and 297,705.60 is: 410,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,723.20 : 527,929.92 = 297,705.60 : x
  2. Step 2: Convert to fraction form
    382,723.20/527,929.92 = 297,705.60/x
  3. Step 3: Cross multiply
    382,723.20x = 527,929.92 × 297,705.60
  4. Step 4: Simplify right side
    382,723.20x = 157,167,693,591.55
  5. Step 5: Solve for x
    x = 157,167,693,591.55/382,723.20
  6. Step 6: Final answer
    x = 410,656.30

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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.