Home / 1,760,105.60-2,640,158.40-1,405,811.60

Finding the Fourth Proportional to 1,760,105.60, 2,640,158.40 and 1,405,811.60

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Solution

The fourth proportional to 1,760,105.60, 2,640,158.40 and 1,405,811.60 is: 2,108,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,105.60 : 2,640,158.40 = 1,405,811.60 : x
  2. Step 2: Convert to fraction form
    1,760,105.60/2,640,158.40 = 1,405,811.60/x
  3. Step 3: Cross multiply
    1,760,105.60x = 2,640,158.40 × 1,405,811.60
  4. Step 4: Simplify right side
    1,760,105.60x = 3,711,565,304,557.44
  5. Step 5: Solve for x
    x = 3,711,565,304,557.44/1,760,105.60
  6. Step 6: Final answer
    x = 2,108,717.40

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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.