Home / 957,380.88-1,321,131.60-527,659.68

Finding the Fourth Proportional to 957,380.88, 1,321,131.60 and 527,659.68

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Solution

The fourth proportional to 957,380.88, 1,321,131.60 and 527,659.68 is: 728,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,380.88 : 1,321,131.60 = 527,659.68 : x
  2. Step 2: Convert to fraction form
    957,380.88/1,321,131.60 = 527,659.68/x
  3. Step 3: Cross multiply
    957,380.88x = 1,321,131.60 × 527,659.68
  4. Step 4: Simplify right side
    957,380.88x = 697,107,877,293.89
  5. Step 5: Solve for x
    x = 697,107,877,293.89/957,380.88
  6. Step 6: Final answer
    x = 728,140.59

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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.