Home / 1,009,951.85-1,515,753.98-1,002,078.65

Finding the Fourth Proportional to 1,009,951.85, 1,515,753.98 and 1,002,078.65

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Solution

The fourth proportional to 1,009,951.85, 1,515,753.98 and 1,002,078.65 is: 1,503,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,951.85 : 1,515,753.98 = 1,002,078.65 : x
  2. Step 2: Convert to fraction form
    1,009,951.85/1,515,753.98 = 1,002,078.65/x
  3. Step 3: Cross multiply
    1,009,951.85x = 1,515,753.98 × 1,002,078.65
  4. Step 4: Simplify right side
    1,009,951.85x = 1,518,904,697,000.13
  5. Step 5: Solve for x
    x = 1,518,904,697,000.13/1,009,951.85
  6. Step 6: Final answer
    x = 1,503,937.73

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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.