Home / 911,022.40-1,367,764.80-532,331.20

Finding the Fourth Proportional to 911,022.40, 1,367,764.80 and 532,331.20

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Solution

The fourth proportional to 911,022.40, 1,367,764.80 and 532,331.20 is: 799,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,022.40 : 1,367,764.80 = 532,331.20 : x
  2. Step 2: Convert to fraction form
    911,022.40/1,367,764.80 = 532,331.20/x
  3. Step 3: Cross multiply
    911,022.40x = 1,367,764.80 × 532,331.20
  4. Step 4: Simplify right side
    911,022.40x = 728,103,877,301.76
  5. Step 5: Solve for x
    x = 728,103,877,301.76/911,022.40
  6. Step 6: Final answer
    x = 799,216.22

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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.