Home / 461,315.32-636,637.26-260,107

Finding the Fourth Proportional to 461,315.32, 636,637.26 and 260,107

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Solution

The fourth proportional to 461,315.32, 636,637.26 and 260,107 is: 358,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,315.32 : 636,637.26 = 260,107 : x
  2. Step 2: Convert to fraction form
    461,315.32/636,637.26 = 260,107/x
  3. Step 3: Cross multiply
    461,315.32x = 636,637.26 × 260,107
  4. Step 4: Simplify right side
    461,315.32x = 165,593,807,786.82
  5. Step 5: Solve for x
    x = 165,593,807,786.82/461,315.32
  6. Step 6: Final answer
    x = 358,960.13

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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.