Home / 864,045.18-1,192,449.38-476,936.46

Finding the Fourth Proportional to 864,045.18, 1,192,449.38 and 476,936.46

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Solution

The fourth proportional to 864,045.18, 1,192,449.38 and 476,936.46 is: 658,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,045.18 : 1,192,449.38 = 476,936.46 : x
  2. Step 2: Convert to fraction form
    864,045.18/1,192,449.38 = 476,936.46/x
  3. Step 3: Cross multiply
    864,045.18x = 1,192,449.38 × 476,936.46
  4. Step 4: Simplify right side
    864,045.18x = 568,722,581,256.49
  5. Step 5: Solve for x
    x = 568,722,581,256.49/864,045.18
  6. Step 6: Final answer
    x = 658,209.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.