Home / 457,236.29-630,979.27-253,286.60

Finding the Fourth Proportional to 457,236.29, 630,979.27 and 253,286.60

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Solution

The fourth proportional to 457,236.29, 630,979.27 and 253,286.60 is: 349,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,236.29 : 630,979.27 = 253,286.60 : x
  2. Step 2: Convert to fraction form
    457,236.29/630,979.27 = 253,286.60/x
  3. Step 3: Cross multiply
    457,236.29x = 630,979.27 × 253,286.60
  4. Step 4: Simplify right side
    457,236.29x = 159,818,590,180.67
  5. Step 5: Solve for x
    x = 159,818,590,180.67/457,236.29
  6. Step 6: Final answer
    x = 349,531.73

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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.