Home / 952,149.80-1,313,990.88-522,429.82

Finding the Fourth Proportional to 952,149.80, 1,313,990.88 and 522,429.82

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Solution

The fourth proportional to 952,149.80, 1,313,990.88 and 522,429.82 is: 720,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,149.80 : 1,313,990.88 = 522,429.82 : x
  2. Step 2: Convert to fraction form
    952,149.80/1,313,990.88 = 522,429.82/x
  3. Step 3: Cross multiply
    952,149.80x = 1,313,990.88 × 522,429.82
  4. Step 4: Simplify right side
    952,149.80x = 686,468,018,920.04
  5. Step 5: Solve for x
    x = 686,468,018,920.04/952,149.80
  6. Step 6: Final answer
    x = 720,966.41

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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.