Home / 1,234,691.78-1,861,291.85-1,152,392.27

Finding the Fourth Proportional to 1,234,691.78, 1,861,291.85 and 1,152,392.27

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Solution

The fourth proportional to 1,234,691.78, 1,861,291.85 and 1,152,392.27 is: 1,737,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,691.78 : 1,861,291.85 = 1,152,392.27 : x
  2. Step 2: Convert to fraction form
    1,234,691.78/1,861,291.85 = 1,152,392.27/x
  3. Step 3: Cross multiply
    1,234,691.78x = 1,861,291.85 × 1,152,392.27
  4. Step 4: Simplify right side
    1,234,691.78x = 2,144,938,325,085.58
  5. Step 5: Solve for x
    x = 2,144,938,325,085.58/1,234,691.78
  6. Step 6: Final answer
    x = 1,737,225.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.