Home / 1,769,247.40-2,653,287.90-647,170.60

Finding the Fourth Proportional to 1,769,247.40, 2,653,287.90 and 647,170.60

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Solution

The fourth proportional to 1,769,247.40, 2,653,287.90 and 647,170.60 is: 970,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,247.40 : 2,653,287.90 = 647,170.60 : x
  2. Step 2: Convert to fraction form
    1,769,247.40/2,653,287.90 = 647,170.60/x
  3. Step 3: Cross multiply
    1,769,247.40x = 2,653,287.90 × 647,170.60
  4. Step 4: Simplify right side
    1,769,247.40x = 1,717,129,922,215.74
  5. Step 5: Solve for x
    x = 1,717,129,922,215.74/1,769,247.40
  6. Step 6: Final answer
    x = 970,542.57

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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.