Home / 452,684.45-679,131.84-132,823.40

Finding the Fourth Proportional to 452,684.45, 679,131.84 and 132,823.40

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Solution

The fourth proportional to 452,684.45, 679,131.84 and 132,823.40 is: 199,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,684.45 : 679,131.84 = 132,823.40 : x
  2. Step 2: Convert to fraction form
    452,684.45/679,131.84 = 132,823.40/x
  3. Step 3: Cross multiply
    452,684.45x = 679,131.84 × 132,823.40
  4. Step 4: Simplify right side
    452,684.45x = 90,204,596,641.40
  5. Step 5: Solve for x
    x = 90,204,596,641.40/452,684.45
  6. Step 6: Final answer
    x = 199,265.95

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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.