Home / 457,912.17-631,837.35-276,502.59

Finding the Fourth Proportional to 457,912.17, 631,837.35 and 276,502.59

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Solution

The fourth proportional to 457,912.17, 631,837.35 and 276,502.59 is: 381,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,912.17 : 631,837.35 = 276,502.59 : x
  2. Step 2: Convert to fraction form
    457,912.17/631,837.35 = 276,502.59/x
  3. Step 3: Cross multiply
    457,912.17x = 631,837.35 × 276,502.59
  4. Step 4: Simplify right side
    457,912.17x = 174,704,663,733.74
  5. Step 5: Solve for x
    x = 174,704,663,733.74/457,912.17
  6. Step 6: Final answer
    x = 381,524.40

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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.