Home / 1,992,294.58-2,985,700.76-853,693.78

Finding the Fourth Proportional to 1,992,294.58, 2,985,700.76 and 853,693.78

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Solution

The fourth proportional to 1,992,294.58, 2,985,700.76 and 853,693.78 is: 1,279,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,294.58 : 2,985,700.76 = 853,693.78 : x
  2. Step 2: Convert to fraction form
    1,992,294.58/2,985,700.76 = 853,693.78/x
  3. Step 3: Cross multiply
    1,992,294.58x = 2,985,700.76 × 853,693.78
  4. Step 4: Simplify right side
    1,992,294.58x = 2,548,874,167,753.27
  5. Step 5: Solve for x
    x = 2,548,874,167,753.27/1,992,294.58
  6. Step 6: Final answer
    x = 1,279,366.11

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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.