Home / 957,561.21-1,321,443.36-527,856.75

Finding the Fourth Proportional to 957,561.21, 1,321,443.36 and 527,856.75

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Solution

The fourth proportional to 957,561.21, 1,321,443.36 and 527,856.75 is: 728,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,561.21 : 1,321,443.36 = 527,856.75 : x
  2. Step 2: Convert to fraction form
    957,561.21/1,321,443.36 = 527,856.75/x
  3. Step 3: Cross multiply
    957,561.21x = 1,321,443.36 × 527,856.75
  4. Step 4: Simplify right side
    957,561.21x = 697,532,797,318.68
  5. Step 5: Solve for x
    x = 697,532,797,318.68/957,561.21
  6. Step 6: Final answer
    x = 728,447.22

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Half scale
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Double scale
Find fourth proportional to 957,562.21, 1,321,444.74 and 527,857.75
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.