Home / 1,226,593.64-1,691,981.76-797,159.78

Finding the Fourth Proportional to 1,226,593.64, 1,691,981.76 and 797,159.78

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Solution

The fourth proportional to 1,226,593.64, 1,691,981.76 and 797,159.78 is: 1,099,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,593.64 : 1,691,981.76 = 797,159.78 : x
  2. Step 2: Convert to fraction form
    1,226,593.64/1,691,981.76 = 797,159.78/x
  3. Step 3: Cross multiply
    1,226,593.64x = 1,691,981.76 × 797,159.78
  4. Step 4: Simplify right side
    1,226,593.64x = 1,348,779,807,565.61
  5. Step 5: Solve for x
    x = 1,348,779,807,565.61/1,226,593.64
  6. Step 6: Final answer
    x = 1,099,614.22

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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.