Home / 454,331.11-626,981.22-250,389.49

Finding the Fourth Proportional to 454,331.11, 626,981.22 and 250,389.49

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Solution

The fourth proportional to 454,331.11, 626,981.22 and 250,389.49 is: 345,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,331.11 : 626,981.22 = 250,389.49 : x
  2. Step 2: Convert to fraction form
    454,331.11/626,981.22 = 250,389.49/x
  3. Step 3: Cross multiply
    454,331.11x = 626,981.22 × 250,389.49
  4. Step 4: Simplify right side
    454,331.11x = 156,989,507,915.38
  5. Step 5: Solve for x
    x = 156,989,507,915.38/454,331.11
  6. Step 6: Final answer
    x = 345,539.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.