Home / 1,332,115.20-1,998,191.70-433,561.68

Finding the Fourth Proportional to 1,332,115.20, 1,998,191.70 and 433,561.68

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Solution

The fourth proportional to 1,332,115.20, 1,998,191.70 and 433,561.68 is: 650,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,115.20 : 1,998,191.70 = 433,561.68 : x
  2. Step 2: Convert to fraction form
    1,332,115.20/1,998,191.70 = 433,561.68/x
  3. Step 3: Cross multiply
    1,332,115.20x = 1,998,191.70 × 433,561.68
  4. Step 4: Simplify right side
    1,332,115.20x = 866,339,350,414.06
  5. Step 5: Solve for x
    x = 866,339,350,414.06/1,332,115.20
  6. Step 6: Final answer
    x = 650,348.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.