Home / 957,519.57-1,321,376.68-527,806.87

Finding the Fourth Proportional to 957,519.57, 1,321,376.68 and 527,806.87

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Solution

The fourth proportional to 957,519.57, 1,321,376.68 and 527,806.87 is: 728,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,519.57 : 1,321,376.68 = 527,806.87 : x
  2. Step 2: Convert to fraction form
    957,519.57/1,321,376.68 = 527,806.87/x
  3. Step 3: Cross multiply
    957,519.57x = 1,321,376.68 × 527,806.87
  4. Step 4: Simplify right side
    957,519.57x = 697,431,689,561.79
  5. Step 5: Solve for x
    x = 697,431,689,561.79/957,519.57
  6. Step 6: Final answer
    x = 728,373.30

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Double scale
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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.