Home / 452,623.21-679,061.92-132,782.63

Finding the Fourth Proportional to 452,623.21, 679,061.92 and 132,782.63

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Solution

The fourth proportional to 452,623.21, 679,061.92 and 132,782.63 is: 199,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,623.21 : 679,061.92 = 132,782.63 : x
  2. Step 2: Convert to fraction form
    452,623.21/679,061.92 = 132,782.63/x
  3. Step 3: Cross multiply
    452,623.21x = 679,061.92 × 132,782.63
  4. Step 4: Simplify right side
    452,623.21x = 90,167,623,943.18
  5. Step 5: Solve for x
    x = 90,167,623,943.18/452,623.21
  6. Step 6: Final answer
    x = 199,211.23

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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.