Home / 669,061.85-923,306.20-363,138.12

Finding the Fourth Proportional to 669,061.85, 923,306.20 and 363,138.12

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Solution

The fourth proportional to 669,061.85, 923,306.20 and 363,138.12 is: 501,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,061.85 : 923,306.20 = 363,138.12 : x
  2. Step 2: Convert to fraction form
    669,061.85/923,306.20 = 363,138.12/x
  3. Step 3: Cross multiply
    669,061.85x = 923,306.20 × 363,138.12
  4. Step 4: Simplify right side
    669,061.85x = 335,287,676,744.50
  5. Step 5: Solve for x
    x = 335,287,676,744.50/669,061.85
  6. Step 6: Final answer
    x = 501,131.07

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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.