Home / 957,518.57-1,321,375.30-527,805.87

Finding the Fourth Proportional to 957,518.57, 1,321,375.30 and 527,805.87

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Solution

The fourth proportional to 957,518.57, 1,321,375.30 and 527,805.87 is: 728,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,518.57 : 1,321,375.30 = 527,805.87 : x
  2. Step 2: Convert to fraction form
    957,518.57/1,321,375.30 = 527,805.87/x
  3. Step 3: Cross multiply
    957,518.57x = 1,321,375.30 × 527,805.87
  4. Step 4: Simplify right side
    957,518.57x = 697,429,642,455.53
  5. Step 5: Solve for x
    x = 697,429,642,455.53/957,518.57
  6. Step 6: Final answer
    x = 728,371.93

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1.5x scale

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.