Home / 913,310.60-1,281,434.20-913,310.60

Finding the Fourth Proportional to 913,310.60, 1,281,434.20 and 913,310.60

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Solution

The fourth proportional to 913,310.60, 1,281,434.20 and 913,310.60 is: 1,281,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,310.60 : 1,281,434.20 = 913,310.60 : x
  2. Step 2: Convert to fraction form
    913,310.60/1,281,434.20 = 913,310.60/x
  3. Step 3: Cross multiply
    913,310.60x = 1,281,434.20 × 913,310.60
  4. Step 4: Simplify right side
    913,310.60x = 1,170,347,438,062.52
  5. Step 5: Solve for x
    x = 1,170,347,438,062.52/913,310.60
  6. Step 6: Final answer
    x = 1,281,434.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.