Home / 755,229.80-1,132,844.70-722,871.40

Finding the Fourth Proportional to 755,229.80, 1,132,844.70 and 722,871.40

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Solution

The fourth proportional to 755,229.80, 1,132,844.70 and 722,871.40 is: 1,084,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,229.80 : 1,132,844.70 = 722,871.40 : x
  2. Step 2: Convert to fraction form
    755,229.80/1,132,844.70 = 722,871.40/x
  3. Step 3: Cross multiply
    755,229.80x = 1,132,844.70 × 722,871.40
  4. Step 4: Simplify right side
    755,229.80x = 818,901,034,271.58
  5. Step 5: Solve for x
    x = 818,901,034,271.58/755,229.80
  6. Step 6: Final answer
    x = 1,084,307.10

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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.