Home / 1,438,234.64-2,156,791.23-539,186.27

Finding the Fourth Proportional to 1,438,234.64, 2,156,791.23 and 539,186.27

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Solution

The fourth proportional to 1,438,234.64, 2,156,791.23 and 539,186.27 is: 808,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,234.64 : 2,156,791.23 = 539,186.27 : x
  2. Step 2: Convert to fraction form
    1,438,234.64/2,156,791.23 = 539,186.27/x
  3. Step 3: Cross multiply
    1,438,234.64x = 2,156,791.23 × 539,186.27
  4. Step 4: Simplify right side
    1,438,234.64x = 1,162,912,223,864.39
  5. Step 5: Solve for x
    x = 1,162,912,223,864.39/1,438,234.64
  6. Step 6: Final answer
    x = 808,569.20

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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.