Home / 1,105,125.20-1,653,540.60-1,005,592.40

Finding the Fourth Proportional to 1,105,125.20, 1,653,540.60 and 1,005,592.40

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Solution

The fourth proportional to 1,105,125.20, 1,653,540.60 and 1,005,592.40 is: 1,504,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,125.20 : 1,653,540.60 = 1,005,592.40 : x
  2. Step 2: Convert to fraction form
    1,105,125.20/1,653,540.60 = 1,005,592.40/x
  3. Step 3: Cross multiply
    1,105,125.20x = 1,653,540.60 × 1,005,592.40
  4. Step 4: Simplify right side
    1,105,125.20x = 1,662,787,860,451.44
  5. Step 5: Solve for x
    x = 1,662,787,860,451.44/1,105,125.20
  6. Step 6: Final answer
    x = 1,504,614.92

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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.