Home / 1,431,527.11-2,147,234.57-484,897.79

Finding the Fourth Proportional to 1,431,527.11, 2,147,234.57 and 484,897.79

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Solution

The fourth proportional to 1,431,527.11, 2,147,234.57 and 484,897.79 is: 727,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,527.11 : 2,147,234.57 = 484,897.79 : x
  2. Step 2: Convert to fraction form
    1,431,527.11/2,147,234.57 = 484,897.79/x
  3. Step 3: Cross multiply
    1,431,527.11x = 2,147,234.57 × 484,897.79
  4. Step 4: Simplify right side
    1,431,527.11x = 1,041,189,302,366.56
  5. Step 5: Solve for x
    x = 1,041,189,302,366.56/1,431,527.11
  6. Step 6: Final answer
    x = 727,327.69

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Double scale
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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.