Home / 1,234,223.80-1,851,471.80-392,578.72

Finding the Fourth Proportional to 1,234,223.80, 1,851,471.80 and 392,578.72

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Solution

The fourth proportional to 1,234,223.80, 1,851,471.80 and 392,578.72 is: 588,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,223.80 : 1,851,471.80 = 392,578.72 : x
  2. Step 2: Convert to fraction form
    1,234,223.80/1,851,471.80 = 392,578.72/x
  3. Step 3: Cross multiply
    1,234,223.80x = 1,851,471.80 × 392,578.72
  4. Step 4: Simplify right side
    1,234,223.80x = 726,848,429,360.10
  5. Step 5: Solve for x
    x = 726,848,429,360.10/1,234,223.80
  6. Step 6: Final answer
    x = 588,911.37

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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.