Home / 1,234,211.80-1,851,453.78-392,566.72

Finding the Fourth Proportional to 1,234,211.80, 1,851,453.78 and 392,566.72

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Solution

The fourth proportional to 1,234,211.80, 1,851,453.78 and 392,566.72 is: 588,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,211.80 : 1,851,453.78 = 392,566.72 : x
  2. Step 2: Convert to fraction form
    1,234,211.80/1,851,453.78 = 392,566.72/x
  3. Step 3: Cross multiply
    1,234,211.80x = 1,851,453.78 × 392,566.72
  4. Step 4: Simplify right side
    1,234,211.80x = 726,819,137,646.20
  5. Step 5: Solve for x
    x = 726,819,137,646.20/1,234,211.80
  6. Step 6: Final answer
    x = 588,893.36

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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.