Home / 1,394,988.18-1,925,293.80-851,439.83

Finding the Fourth Proportional to 1,394,988.18, 1,925,293.80 and 851,439.83

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Solution

The fourth proportional to 1,394,988.18, 1,925,293.80 and 851,439.83 is: 1,175,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,988.18 : 1,925,293.80 = 851,439.83 : x
  2. Step 2: Convert to fraction form
    1,394,988.18/1,925,293.80 = 851,439.83/x
  3. Step 3: Cross multiply
    1,394,988.18x = 1,925,293.80 × 851,439.83
  4. Step 4: Simplify right side
    1,394,988.18x = 1,639,271,821,514.85
  5. Step 5: Solve for x
    x = 1,639,271,821,514.85/1,394,988.18
  6. Step 6: Final answer
    x = 1,175,115.21

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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.