Home / 567,313.20-782,882.08-309,192.48

Finding the Fourth Proportional to 567,313.20, 782,882.08 and 309,192.48

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Solution

The fourth proportional to 567,313.20, 782,882.08 and 309,192.48 is: 426,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,313.20 : 782,882.08 = 309,192.48 : x
  2. Step 2: Convert to fraction form
    567,313.20/782,882.08 = 309,192.48/x
  3. Step 3: Cross multiply
    567,313.20x = 782,882.08 × 309,192.48
  4. Step 4: Simplify right side
    567,313.20x = 242,061,251,862.76
  5. Step 5: Solve for x
    x = 242,061,251,862.76/567,313.20
  6. Step 6: Final answer
    x = 426,680.10

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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.