Home / 1,276,269.60-1,914,404.40-1,244,776.80

Finding the Fourth Proportional to 1,276,269.60, 1,914,404.40 and 1,244,776.80

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Solution

The fourth proportional to 1,276,269.60, 1,914,404.40 and 1,244,776.80 is: 1,867,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,269.60 : 1,914,404.40 = 1,244,776.80 : x
  2. Step 2: Convert to fraction form
    1,276,269.60/1,914,404.40 = 1,244,776.80/x
  3. Step 3: Cross multiply
    1,276,269.60x = 1,914,404.40 × 1,244,776.80
  4. Step 4: Simplify right side
    1,276,269.60x = 2,383,006,182,937.92
  5. Step 5: Solve for x
    x = 2,383,006,182,937.92/1,276,269.60
  6. Step 6: Final answer
    x = 1,867,165.20

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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.