Home / 1,234,212.80-1,851,455.28-392,567.72

Finding the Fourth Proportional to 1,234,212.80, 1,851,455.28 and 392,567.72

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Solution

The fourth proportional to 1,234,212.80, 1,851,455.28 and 392,567.72 is: 588,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,212.80 : 1,851,455.28 = 392,567.72 : x
  2. Step 2: Convert to fraction form
    1,234,212.80/1,851,455.28 = 392,567.72/x
  3. Step 3: Cross multiply
    1,234,212.80x = 1,851,455.28 × 392,567.72
  4. Step 4: Simplify right side
    1,234,212.80x = 726,821,577,951.56
  5. Step 5: Solve for x
    x = 726,821,577,951.56/1,234,212.80
  6. Step 6: Final answer
    x = 588,894.86

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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.