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Finding the Fourth Proportional to 1,359,800.34, 1,876,559.88 and 747,968.88

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Solution

The fourth proportional to 1,359,800.34, 1,876,559.88 and 747,968.88 is: 1,032,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,800.34 : 1,876,559.88 = 747,968.88 : x
  2. Step 2: Convert to fraction form
    1,359,800.34/1,876,559.88 = 747,968.88/x
  3. Step 3: Cross multiply
    1,359,800.34x = 1,876,559.88 × 747,968.88
  4. Step 4: Simplify right side
    1,359,800.34x = 1,403,608,391,696.53
  5. Step 5: Solve for x
    x = 1,403,608,391,696.53/1,359,800.34
  6. Step 6: Final answer
    x = 1,032,216.53

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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.