Home / 712,876.44-1,070,986.80-672,525.48

Finding the Fourth Proportional to 712,876.44, 1,070,986.80 and 672,525.48

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Solution

The fourth proportional to 712,876.44, 1,070,986.80 and 672,525.48 is: 1,010,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,876.44 : 1,070,986.80 = 672,525.48 : x
  2. Step 2: Convert to fraction form
    712,876.44/1,070,986.80 = 672,525.48/x
  3. Step 3: Cross multiply
    712,876.44x = 1,070,986.80 × 672,525.48
  4. Step 4: Simplify right side
    712,876.44x = 720,265,911,743.66
  5. Step 5: Solve for x
    x = 720,265,911,743.66/712,876.44
  6. Step 6: Final answer
    x = 1,010,365.71

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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.