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Finding the Fourth Proportional to 1,359,582.98, 1,876,254.53 and 747,766.73

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Solution

The fourth proportional to 1,359,582.98, 1,876,254.53 and 747,766.73 is: 1,031,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,582.98 : 1,876,254.53 = 747,766.73 : x
  2. Step 2: Convert to fraction form
    1,359,582.98/1,876,254.53 = 747,766.73/x
  3. Step 3: Cross multiply
    1,359,582.98x = 1,876,254.53 × 747,766.73
  4. Step 4: Simplify right side
    1,359,582.98x = 1,403,000,715,497.59
  5. Step 5: Solve for x
    x = 1,403,000,715,497.59/1,359,582.98
  6. Step 6: Final answer
    x = 1,031,934.60

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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.