Home / 971,498.28-1,340,665.02-541,778.88

Finding the Fourth Proportional to 971,498.28, 1,340,665.02 and 541,778.88

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Solution

The fourth proportional to 971,498.28, 1,340,665.02 and 541,778.88 is: 747,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,498.28 : 1,340,665.02 = 541,778.88 : x
  2. Step 2: Convert to fraction form
    971,498.28/1,340,665.02 = 541,778.88/x
  3. Step 3: Cross multiply
    971,498.28x = 1,340,665.02 × 541,778.88
  4. Step 4: Simplify right side
    971,498.28x = 726,343,992,990.78
  5. Step 5: Solve for x
    x = 726,343,992,990.78/971,498.28
  6. Step 6: Final answer
    x = 747,653.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.