Home / 643,733.20-965,772.60-574,094.80

Finding the Fourth Proportional to 643,733.20, 965,772.60 and 574,094.80

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Solution

The fourth proportional to 643,733.20, 965,772.60 and 574,094.80 is: 861,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,733.20 : 965,772.60 = 574,094.80 : x
  2. Step 2: Convert to fraction form
    643,733.20/965,772.60 = 574,094.80/x
  3. Step 3: Cross multiply
    643,733.20x = 965,772.60 × 574,094.80
  4. Step 4: Simplify right side
    643,733.20x = 554,445,027,642.48
  5. Step 5: Solve for x
    x = 554,445,027,642.48/643,733.20
  6. Step 6: Final answer
    x = 861,296.31

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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.