Home / 1,205,488.17-1,663,452.35-722,040.89

Finding the Fourth Proportional to 1,205,488.17, 1,663,452.35 and 722,040.89

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Solution

The fourth proportional to 1,205,488.17, 1,663,452.35 and 722,040.89 is: 996,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,488.17 : 1,663,452.35 = 722,040.89 : x
  2. Step 2: Convert to fraction form
    1,205,488.17/1,663,452.35 = 722,040.89/x
  3. Step 3: Cross multiply
    1,205,488.17x = 1,663,452.35 × 722,040.89
  4. Step 4: Simplify right side
    1,205,488.17x = 1,201,080,606,046.78
  5. Step 5: Solve for x
    x = 1,201,080,606,046.78/1,205,488.17
  6. Step 6: Final answer
    x = 996,343.75

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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.