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Finding the Fourth Proportional to 1,234,962.86, 1,849,454.55 and 854,818.52

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Solution

The fourth proportional to 1,234,962.86, 1,849,454.55 and 854,818.52 is: 1,280,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,962.86 : 1,849,454.55 = 854,818.52 : x
  2. Step 2: Convert to fraction form
    1,234,962.86/1,849,454.55 = 854,818.52/x
  3. Step 3: Cross multiply
    1,234,962.86x = 1,849,454.55 × 854,818.52
  4. Step 4: Simplify right side
    1,234,962.86x = 1,580,948,005,861.90
  5. Step 5: Solve for x
    x = 1,580,948,005,861.90/1,234,962.86
  6. Step 6: Final answer
    x = 1,280,158.34

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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.