Home / 755,644.80-1,133,467.20-657,229.80

Finding the Fourth Proportional to 755,644.80, 1,133,467.20 and 657,229.80

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Solution

The fourth proportional to 755,644.80, 1,133,467.20 and 657,229.80 is: 985,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,644.80 : 1,133,467.20 = 657,229.80 : x
  2. Step 2: Convert to fraction form
    755,644.80/1,133,467.20 = 657,229.80/x
  3. Step 3: Cross multiply
    755,644.80x = 1,133,467.20 × 657,229.80
  4. Step 4: Simplify right side
    755,644.80x = 744,948,421,162.56
  5. Step 5: Solve for x
    x = 744,948,421,162.56/755,644.80
  6. Step 6: Final answer
    x = 985,844.70

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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.