Home / 452,981.90-678,974.57-186,597.09

Finding the Fourth Proportional to 452,981.90, 678,974.57 and 186,597.09

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Solution

The fourth proportional to 452,981.90, 678,974.57 and 186,597.09 is: 279,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,981.90 : 678,974.57 = 186,597.09 : x
  2. Step 2: Convert to fraction form
    452,981.90/678,974.57 = 186,597.09/x
  3. Step 3: Cross multiply
    452,981.90x = 678,974.57 × 186,597.09
  4. Step 4: Simplify right side
    452,981.90x = 126,694,678,712.76
  5. Step 5: Solve for x
    x = 126,694,678,712.76/452,981.90
  6. Step 6: Final answer
    x = 279,690.38

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1.5x scale

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.