Home / 851,885.28-1,175,623.92-464,707.31

Finding the Fourth Proportional to 851,885.28, 1,175,623.92 and 464,707.31

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Solution

The fourth proportional to 851,885.28, 1,175,623.92 and 464,707.31 is: 641,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,885.28 : 1,175,623.92 = 464,707.31 : x
  2. Step 2: Convert to fraction form
    851,885.28/1,175,623.92 = 464,707.31/x
  3. Step 3: Cross multiply
    851,885.28x = 1,175,623.92 × 464,707.31
  4. Step 4: Simplify right side
    851,885.28x = 546,321,023,556.74
  5. Step 5: Solve for x
    x = 546,321,023,556.74/851,885.28
  6. Step 6: Final answer
    x = 641,308.21

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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.