Home / 957,561.18-1,321,443.51-527,856.68

Finding the Fourth Proportional to 957,561.18, 1,321,443.51 and 527,856.68

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Solution

The fourth proportional to 957,561.18, 1,321,443.51 and 527,856.68 is: 728,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,561.18 : 1,321,443.51 = 527,856.68 : x
  2. Step 2: Convert to fraction form
    957,561.18/1,321,443.51 = 527,856.68/x
  3. Step 3: Cross multiply
    957,561.18x = 1,321,443.51 × 527,856.68
  4. Step 4: Simplify right side
    957,561.18x = 697,532,785,320.29
  5. Step 5: Solve for x
    x = 697,532,785,320.29/957,561.18
  6. Step 6: Final answer
    x = 728,447.23

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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.