Home / 426,252.84-639,048.76-276,176.04

Finding the Fourth Proportional to 426,252.84, 639,048.76 and 276,176.04

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Solution

The fourth proportional to 426,252.84, 639,048.76 and 276,176.04 is: 414,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,252.84 : 639,048.76 = 276,176.04 : x
  2. Step 2: Convert to fraction form
    426,252.84/639,048.76 = 276,176.04/x
  3. Step 3: Cross multiply
    426,252.84x = 639,048.76 × 276,176.04
  4. Step 4: Simplify right side
    426,252.84x = 176,489,955,903.71
  5. Step 5: Solve for x
    x = 176,489,955,903.71/426,252.84
  6. Step 6: Final answer
    x = 414,049.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.