Home / 1,351,439.55-1,864,906.20-739,470.24

Finding the Fourth Proportional to 1,351,439.55, 1,864,906.20 and 739,470.24

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Solution

The fourth proportional to 1,351,439.55, 1,864,906.20 and 739,470.24 is: 1,020,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,439.55 : 1,864,906.20 = 739,470.24 : x
  2. Step 2: Convert to fraction form
    1,351,439.55/1,864,906.20 = 739,470.24/x
  3. Step 3: Cross multiply
    1,351,439.55x = 1,864,906.20 × 739,470.24
  4. Step 4: Simplify right side
    1,351,439.55x = 1,379,042,635,291.49
  5. Step 5: Solve for x
    x = 1,379,042,635,291.49/1,351,439.55
  6. Step 6: Final answer
    x = 1,020,424.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.