Home / 526,556.25-726,352.38-322,705.98

Finding the Fourth Proportional to 526,556.25, 726,352.38 and 322,705.98

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Solution

The fourth proportional to 526,556.25, 726,352.38 and 322,705.98 is: 445,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,556.25 : 726,352.38 = 322,705.98 : x
  2. Step 2: Convert to fraction form
    526,556.25/726,352.38 = 322,705.98/x
  3. Step 3: Cross multiply
    526,556.25x = 726,352.38 × 322,705.98
  4. Step 4: Simplify right side
    526,556.25x = 234,398,256,613.23
  5. Step 5: Solve for x
    x = 234,398,256,613.23/526,556.25
  6. Step 6: Final answer
    x = 445,153.31

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Double scale
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Similar ratio
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1.5x scale

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.