Home / 1,295,253.20-1,787,451.24-714,463.36

Finding the Fourth Proportional to 1,295,253.20, 1,787,451.24 and 714,463.36

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Solution

The fourth proportional to 1,295,253.20, 1,787,451.24 and 714,463.36 is: 985,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,253.20 : 1,787,451.24 = 714,463.36 : x
  2. Step 2: Convert to fraction form
    1,295,253.20/1,787,451.24 = 714,463.36/x
  3. Step 3: Cross multiply
    1,295,253.20x = 1,787,451.24 × 714,463.36
  4. Step 4: Simplify right side
    1,295,253.20x = 1,277,068,418,766.57
  5. Step 5: Solve for x
    x = 1,277,068,418,766.57/1,295,253.20
  6. Step 6: Final answer
    x = 985,960.44

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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.