Home / 828,177.40-1,241,391.30-472,425.40

Finding the Fourth Proportional to 828,177.40, 1,241,391.30 and 472,425.40

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Solution

The fourth proportional to 828,177.40, 1,241,391.30 and 472,425.40 is: 708,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,177.40 : 1,241,391.30 = 472,425.40 : x
  2. Step 2: Convert to fraction form
    828,177.40/1,241,391.30 = 472,425.40/x
  3. Step 3: Cross multiply
    828,177.40x = 1,241,391.30 × 472,425.40
  4. Step 4: Simplify right side
    828,177.40x = 586,464,781,459.02
  5. Step 5: Solve for x
    x = 586,464,781,459.02/828,177.40
  6. Step 6: Final answer
    x = 708,139.08

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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.