Home / 457,207.34-630,951.19-253,261.38

Finding the Fourth Proportional to 457,207.34, 630,951.19 and 253,261.38

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Solution

The fourth proportional to 457,207.34, 630,951.19 and 253,261.38 is: 349,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,207.34 : 630,951.19 = 253,261.38 : x
  2. Step 2: Convert to fraction form
    457,207.34/630,951.19 = 253,261.38/x
  3. Step 3: Cross multiply
    457,207.34x = 630,951.19 × 253,261.38
  4. Step 4: Simplify right side
    457,207.34x = 159,795,570,824.96
  5. Step 5: Solve for x
    x = 159,795,570,824.96/457,207.34
  6. Step 6: Final answer
    x = 349,503.52

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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.