Home / 687,242.30-945,031.31-596,440.62

Finding the Fourth Proportional to 687,242.30, 945,031.31 and 596,440.62

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Solution

The fourth proportional to 687,242.30, 945,031.31 and 596,440.62 is: 820,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,242.30 : 945,031.31 = 596,440.62 : x
  2. Step 2: Convert to fraction form
    687,242.30/945,031.31 = 596,440.62/x
  3. Step 3: Cross multiply
    687,242.30x = 945,031.31 × 596,440.62
  4. Step 4: Simplify right side
    687,242.30x = 563,655,057,473.61
  5. Step 5: Solve for x
    x = 563,655,057,473.61/687,242.30
  6. Step 6: Final answer
    x = 820,169.34

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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.