Home / 445,008.32-613,960.40-251,387.73

Finding the Fourth Proportional to 445,008.32, 613,960.40 and 251,387.73

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Solution

The fourth proportional to 445,008.32, 613,960.40 and 251,387.73 is: 346,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,008.32 : 613,960.40 = 251,387.73 : x
  2. Step 2: Convert to fraction form
    445,008.32/613,960.40 = 251,387.73/x
  3. Step 3: Cross multiply
    445,008.32x = 613,960.40 × 251,387.73
  4. Step 4: Simplify right side
    445,008.32x = 154,342,110,008.95
  5. Step 5: Solve for x
    x = 154,342,110,008.95/445,008.32
  6. Step 6: Final answer
    x = 346,829.72

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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.