Home / 1,449,715.20-2,172,499.20-1,067,654.40

Finding the Fourth Proportional to 1,449,715.20, 2,172,499.20 and 1,067,654.40

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Solution

The fourth proportional to 1,449,715.20, 2,172,499.20 and 1,067,654.40 is: 1,599,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,715.20 : 2,172,499.20 = 1,067,654.40 : x
  2. Step 2: Convert to fraction form
    1,449,715.20/2,172,499.20 = 1,067,654.40/x
  3. Step 3: Cross multiply
    1,449,715.20x = 2,172,499.20 × 1,067,654.40
  4. Step 4: Simplify right side
    1,449,715.20x = 2,319,478,329,876.48
  5. Step 5: Solve for x
    x = 2,319,478,329,876.48/1,449,715.20
  6. Step 6: Final answer
    x = 1,599,954.48

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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.