Home / 587,918.52-811,304.02-346,211.28

Finding the Fourth Proportional to 587,918.52, 811,304.02 and 346,211.28

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Solution

The fourth proportional to 587,918.52, 811,304.02 and 346,211.28 is: 477,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,918.52 : 811,304.02 = 346,211.28 : x
  2. Step 2: Convert to fraction form
    587,918.52/811,304.02 = 346,211.28/x
  3. Step 3: Cross multiply
    587,918.52x = 811,304.02 × 346,211.28
  4. Step 4: Simplify right side
    587,918.52x = 280,882,603,233.35
  5. Step 5: Solve for x
    x = 280,882,603,233.35/587,918.52
  6. Step 6: Final answer
    x = 477,757.71

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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.