Home / 457,966.74-631,864.89-296,828.58

Finding the Fourth Proportional to 457,966.74, 631,864.89 and 296,828.58

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Solution

The fourth proportional to 457,966.74, 631,864.89 and 296,828.58 is: 409,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,966.74 : 631,864.89 = 296,828.58 : x
  2. Step 2: Convert to fraction form
    457,966.74/631,864.89 = 296,828.58/x
  3. Step 3: Cross multiply
    457,966.74x = 631,864.89 × 296,828.58
  4. Step 4: Simplify right side
    457,966.74x = 187,555,558,050.56
  5. Step 5: Solve for x
    x = 187,555,558,050.56/457,966.74
  6. Step 6: Final answer
    x = 409,539.69

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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.