Home / 957,006.83-1,320,728.19-527,286.85

Finding the Fourth Proportional to 957,006.83, 1,320,728.19 and 527,286.85

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Solution

The fourth proportional to 957,006.83, 1,320,728.19 and 527,286.85 is: 727,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,006.83 : 1,320,728.19 = 527,286.85 : x
  2. Step 2: Convert to fraction form
    957,006.83/1,320,728.19 = 527,286.85/x
  3. Step 3: Cross multiply
    957,006.83x = 1,320,728.19 × 527,286.85
  4. Step 4: Simplify right side
    957,006.83x = 696,402,601,732.16
  5. Step 5: Solve for x
    x = 696,402,601,732.16/957,006.83
  6. Step 6: Final answer
    x = 727,688.22

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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.