Home / 813,334.52-1,122,384.57-450,755.20

Finding the Fourth Proportional to 813,334.52, 1,122,384.57 and 450,755.20

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Solution

The fourth proportional to 813,334.52, 1,122,384.57 and 450,755.20 is: 622,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,334.52 : 1,122,384.57 = 450,755.20 : x
  2. Step 2: Convert to fraction form
    813,334.52/1,122,384.57 = 450,755.20/x
  3. Step 3: Cross multiply
    813,334.52x = 1,122,384.57 × 450,755.20
  4. Step 4: Simplify right side
    813,334.52x = 505,920,687,999.87
  5. Step 5: Solve for x
    x = 505,920,687,999.87/813,334.52
  6. Step 6: Final answer
    x = 622,032.73

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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.