Home / 1,192,014.38-1,644,981.84-648,149.72

Finding the Fourth Proportional to 1,192,014.38, 1,644,981.84 and 648,149.72

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Solution

The fourth proportional to 1,192,014.38, 1,644,981.84 and 648,149.72 is: 894,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,014.38 : 1,644,981.84 = 648,149.72 : x
  2. Step 2: Convert to fraction form
    1,192,014.38/1,644,981.84 = 648,149.72/x
  3. Step 3: Cross multiply
    1,192,014.38x = 1,644,981.84 × 648,149.72
  4. Step 4: Simplify right side
    1,192,014.38x = 1,066,194,519,001.08
  5. Step 5: Solve for x
    x = 1,066,194,519,001.08/1,192,014.38
  6. Step 6: Final answer
    x = 894,447.70

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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.