Home / 1,359,425.94-2,039,139.06-647,295

Finding the Fourth Proportional to 1,359,425.94, 2,039,139.06 and 647,295

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Solution

The fourth proportional to 1,359,425.94, 2,039,139.06 and 647,295 is: 970,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,425.94 : 2,039,139.06 = 647,295 : x
  2. Step 2: Convert to fraction form
    1,359,425.94/2,039,139.06 = 647,295/x
  3. Step 3: Cross multiply
    1,359,425.94x = 2,039,139.06 × 647,295
  4. Step 4: Simplify right side
    1,359,425.94x = 1,319,924,517,842.70
  5. Step 5: Solve for x
    x = 1,319,924,517,842.70/1,359,425.94
  6. Step 6: Final answer
    x = 970,942.57

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Double scale
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Similar ratio
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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.