Home / 767,639.22-1,149,062.76-565,463.28

Finding the Fourth Proportional to 767,639.22, 1,149,062.76 and 565,463.28

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Solution

The fourth proportional to 767,639.22, 1,149,062.76 and 565,463.28 is: 846,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,639.22 : 1,149,062.76 = 565,463.28 : x
  2. Step 2: Convert to fraction form
    767,639.22/1,149,062.76 = 565,463.28/x
  3. Step 3: Cross multiply
    767,639.22x = 1,149,062.76 × 565,463.28
  4. Step 4: Simplify right side
    767,639.22x = 649,752,797,195.45
  5. Step 5: Solve for x
    x = 649,752,797,195.45/767,639.22
  6. Step 6: Final answer
    x = 846,429.91

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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.