Home / 338,531.06-466,987.38-215,795.54

Finding the Fourth Proportional to 338,531.06, 466,987.38 and 215,795.54

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Solution

The fourth proportional to 338,531.06, 466,987.38 and 215,795.54 is: 297,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,531.06 : 466,987.38 = 215,795.54 : x
  2. Step 2: Convert to fraction form
    338,531.06/466,987.38 = 215,795.54/x
  3. Step 3: Cross multiply
    338,531.06x = 466,987.38 × 215,795.54
  4. Step 4: Simplify right side
    338,531.06x = 100,773,793,840.29
  5. Step 5: Solve for x
    x = 100,773,793,840.29/338,531.06
  6. Step 6: Final answer
    x = 297,679.61

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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.