Home / 353,335.90-487,559.18-238,863.56

Finding the Fourth Proportional to 353,335.90, 487,559.18 and 238,863.56

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Solution

The fourth proportional to 353,335.90, 487,559.18 and 238,863.56 is: 329,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,335.90 : 487,559.18 = 238,863.56 : x
  2. Step 2: Convert to fraction form
    353,335.90/487,559.18 = 238,863.56/x
  3. Step 3: Cross multiply
    353,335.90x = 487,559.18 × 238,863.56
  4. Step 4: Simplify right side
    353,335.90x = 116,460,121,445.48
  5. Step 5: Solve for x
    x = 116,460,121,445.48/353,335.90
  6. Step 6: Final answer
    x = 329,601.72

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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.