Home / 725,193.60-1,087,790.40-651,710.40

Finding the Fourth Proportional to 725,193.60, 1,087,790.40 and 651,710.40

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Solution

The fourth proportional to 725,193.60, 1,087,790.40 and 651,710.40 is: 977,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,193.60 : 1,087,790.40 = 651,710.40 : x
  2. Step 2: Convert to fraction form
    725,193.60/1,087,790.40 = 651,710.40/x
  3. Step 3: Cross multiply
    725,193.60x = 1,087,790.40 × 651,710.40
  4. Step 4: Simplify right side
    725,193.60x = 708,924,316,700.16
  5. Step 5: Solve for x
    x = 708,924,316,700.16/725,193.60
  6. Step 6: Final answer
    x = 977,565.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.