Home / 452,981.59-678,974.13-186,596.80

Finding the Fourth Proportional to 452,981.59, 678,974.13 and 186,596.80

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Solution

The fourth proportional to 452,981.59, 678,974.13 and 186,596.80 is: 279,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,981.59 : 678,974.13 = 186,596.80 : x
  2. Step 2: Convert to fraction form
    452,981.59/678,974.13 = 186,596.80/x
  3. Step 3: Cross multiply
    452,981.59x = 678,974.13 × 186,596.80
  4. Step 4: Simplify right side
    452,981.59x = 126,694,398,243.35
  5. Step 5: Solve for x
    x = 126,694,398,243.35/452,981.59
  6. Step 6: Final answer
    x = 279,689.95

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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.