Home / 1,238,487.40-1,857,731.10-397,642.60

Finding the Fourth Proportional to 1,238,487.40, 1,857,731.10 and 397,642.60

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Solution

The fourth proportional to 1,238,487.40, 1,857,731.10 and 397,642.60 is: 596,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,487.40 : 1,857,731.10 = 397,642.60 : x
  2. Step 2: Convert to fraction form
    1,238,487.40/1,857,731.10 = 397,642.60/x
  3. Step 3: Cross multiply
    1,238,487.40x = 1,857,731.10 × 397,642.60
  4. Step 4: Simplify right side
    1,238,487.40x = 738,713,024,704.86
  5. Step 5: Solve for x
    x = 738,713,024,704.86/1,238,487.40
  6. Step 6: Final answer
    x = 596,463.90

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Similar ratio
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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.