Home / 1,234,054.80-1,851,211.80-392,410.80

Finding the Fourth Proportional to 1,234,054.80, 1,851,211.80 and 392,410.80

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Solution

The fourth proportional to 1,234,054.80, 1,851,211.80 and 392,410.80 is: 588,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,054.80 : 1,851,211.80 = 392,410.80 : x
  2. Step 2: Convert to fraction form
    1,234,054.80/1,851,211.80 = 392,410.80/x
  3. Step 3: Cross multiply
    1,234,054.80x = 1,851,211.80 × 392,410.80
  4. Step 4: Simplify right side
    1,234,054.80x = 726,435,503,407.44
  5. Step 5: Solve for x
    x = 726,435,503,407.44/1,234,054.80
  6. Step 6: Final answer
    x = 588,657.41

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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.