Home / 1,251,276.30-1,876,214.61-409,757.58

Finding the Fourth Proportional to 1,251,276.30, 1,876,214.61 and 409,757.58

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Solution

The fourth proportional to 1,251,276.30, 1,876,214.61 and 409,757.58 is: 614,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,276.30 : 1,876,214.61 = 409,757.58 : x
  2. Step 2: Convert to fraction form
    1,251,276.30/1,876,214.61 = 409,757.58/x
  3. Step 3: Cross multiply
    1,251,276.30x = 1,876,214.61 × 409,757.58
  4. Step 4: Simplify right side
    1,251,276.30x = 768,793,158,154.24
  5. Step 5: Solve for x
    x = 768,793,158,154.24/1,251,276.30
  6. Step 6: Final answer
    x = 614,407.19

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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.