Home / 957,543.40-1,321,356.90-527,822.92

Finding the Fourth Proportional to 957,543.40, 1,321,356.90 and 527,822.92

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Solution

The fourth proportional to 957,543.40, 1,321,356.90 and 527,822.92 is: 728,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,543.40 : 1,321,356.90 = 527,822.92 : x
  2. Step 2: Convert to fraction form
    957,543.40/1,321,356.90 = 527,822.92/x
  3. Step 3: Cross multiply
    957,543.40x = 1,321,356.90 × 527,822.92
  4. Step 4: Simplify right side
    957,543.40x = 697,442,457,320.15
  5. Step 5: Solve for x
    x = 697,442,457,320.15/957,543.40
  6. Step 6: Final answer
    x = 728,366.42

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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.