Home / 475,747.20-656,540.13-260,874.45

Finding the Fourth Proportional to 475,747.20, 656,540.13 and 260,874.45

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Solution

The fourth proportional to 475,747.20, 656,540.13 and 260,874.45 is: 360,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,747.20 : 656,540.13 = 260,874.45 : x
  2. Step 2: Convert to fraction form
    475,747.20/656,540.13 = 260,874.45/x
  3. Step 3: Cross multiply
    475,747.20x = 656,540.13 × 260,874.45
  4. Step 4: Simplify right side
    475,747.20x = 171,274,545,316.68
  5. Step 5: Solve for x
    x = 171,274,545,316.68/475,747.20
  6. Step 6: Final answer
    x = 360,011.67

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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.