Home / 957,520.78-1,321,362.24-527,840.92

Finding the Fourth Proportional to 957,520.78, 1,321,362.24 and 527,840.92

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Solution

The fourth proportional to 957,520.78, 1,321,362.24 and 527,840.92 is: 728,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,520.78 : 1,321,362.24 = 527,840.92 : x
  2. Step 2: Convert to fraction form
    957,520.78/1,321,362.24 = 527,840.92/x
  3. Step 3: Cross multiply
    957,520.78x = 1,321,362.24 × 527,840.92
  4. Step 4: Simplify right side
    957,520.78x = 697,469,060,414.86
  5. Step 5: Solve for x
    x = 697,469,060,414.86/957,520.78
  6. Step 6: Final answer
    x = 728,411.41

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Half scale
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Double scale
Find fourth proportional to 957,521.78, 1,321,363.62 and 527,841.92
Similar ratio
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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.