Home / 452,977.71-678,968.33-186,592.89

Finding the Fourth Proportional to 452,977.71, 678,968.33 and 186,592.89

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Solution

The fourth proportional to 452,977.71, 678,968.33 and 186,592.89 is: 279,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,977.71 : 678,968.33 = 186,592.89 : x
  2. Step 2: Convert to fraction form
    452,977.71/678,968.33 = 186,592.89/x
  3. Step 3: Cross multiply
    452,977.71x = 678,968.33 × 186,592.89
  4. Step 4: Simplify right side
    452,977.71x = 126,690,661,980.21
  5. Step 5: Solve for x
    x = 126,690,661,980.21/452,977.71
  6. Step 6: Final answer
    x = 279,684.10

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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.