Home / 708,122.41-1,062,626.46-287,398.27

Finding the Fourth Proportional to 708,122.41, 1,062,626.46 and 287,398.27

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Solution

The fourth proportional to 708,122.41, 1,062,626.46 and 287,398.27 is: 431,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,122.41 : 1,062,626.46 = 287,398.27 : x
  2. Step 2: Convert to fraction form
    708,122.41/1,062,626.46 = 287,398.27/x
  3. Step 3: Cross multiply
    708,122.41x = 1,062,626.46 × 287,398.27
  4. Step 4: Simplify right side
    708,122.41x = 305,397,006,260.22
  5. Step 5: Solve for x
    x = 305,397,006,260.22/708,122.41
  6. Step 6: Final answer
    x = 431,277.14

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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.