Home / 1,117,649.61-1,676,515.15-398,044.24

Finding the Fourth Proportional to 1,117,649.61, 1,676,515.15 and 398,044.24

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Solution

The fourth proportional to 1,117,649.61, 1,676,515.15 and 398,044.24 is: 597,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,649.61 : 1,676,515.15 = 398,044.24 : x
  2. Step 2: Convert to fraction form
    1,117,649.61/1,676,515.15 = 398,044.24/x
  3. Step 3: Cross multiply
    1,117,649.61x = 1,676,515.15 × 398,044.24
  4. Step 4: Simplify right side
    1,117,649.61x = 667,327,204,466.90
  5. Step 5: Solve for x
    x = 667,327,204,466.90/1,117,649.61
  6. Step 6: Final answer
    x = 597,080.87

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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.