Home / 1,225,726.40-1,838,589.60-1,127,311.40

Finding the Fourth Proportional to 1,225,726.40, 1,838,589.60 and 1,127,311.40

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Solution

The fourth proportional to 1,225,726.40, 1,838,589.60 and 1,127,311.40 is: 1,690,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,726.40 : 1,838,589.60 = 1,127,311.40 : x
  2. Step 2: Convert to fraction form
    1,225,726.40/1,838,589.60 = 1,127,311.40/x
  3. Step 3: Cross multiply
    1,225,726.40x = 1,838,589.60 × 1,127,311.40
  4. Step 4: Simplify right side
    1,225,726.40x = 2,072,663,016,001.44
  5. Step 5: Solve for x
    x = 2,072,663,016,001.44/1,225,726.40
  6. Step 6: Final answer
    x = 1,690,967.10

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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.