Home / 1,769,061.20-2,653,591.80-647,243.60

Finding the Fourth Proportional to 1,769,061.20, 2,653,591.80 and 647,243.60

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Solution

The fourth proportional to 1,769,061.20, 2,653,591.80 and 647,243.60 is: 970,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,061.20 : 2,653,591.80 = 647,243.60 : x
  2. Step 2: Convert to fraction form
    1,769,061.20/2,653,591.80 = 647,243.60/x
  3. Step 3: Cross multiply
    1,769,061.20x = 2,653,591.80 × 647,243.60
  4. Step 4: Simplify right side
    1,769,061.20x = 1,717,520,309,562.48
  5. Step 5: Solve for x
    x = 1,717,520,309,562.48/1,769,061.20
  6. Step 6: Final answer
    x = 970,865.40

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Similar ratio
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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.