Home / 838,141.38-1,250,178.89-769,362.66

Finding the Fourth Proportional to 838,141.38, 1,250,178.89 and 769,362.66

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Solution

The fourth proportional to 838,141.38, 1,250,178.89 and 769,362.66 is: 1,147,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,141.38 : 1,250,178.89 = 769,362.66 : x
  2. Step 2: Convert to fraction form
    838,141.38/1,250,178.89 = 769,362.66/x
  3. Step 3: Cross multiply
    838,141.38x = 1,250,178.89 × 769,362.66
  4. Step 4: Simplify right side
    838,141.38x = 961,840,952,439.43
  5. Step 5: Solve for x
    x = 961,840,952,439.43/838,141.38
  6. Step 6: Final answer
    x = 1,147,587.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.