Home / 813,349.22-1,122,422.02-450,796.48

Finding the Fourth Proportional to 813,349.22, 1,122,422.02 and 450,796.48

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Solution

The fourth proportional to 813,349.22, 1,122,422.02 and 450,796.48 is: 622,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,349.22 : 1,122,422.02 = 450,796.48 : x
  2. Step 2: Convert to fraction form
    813,349.22/1,122,422.02 = 450,796.48/x
  3. Step 3: Cross multiply
    813,349.22x = 1,122,422.02 × 450,796.48
  4. Step 4: Simplify right side
    813,349.22x = 505,983,895,690.49
  5. Step 5: Solve for x
    x = 505,983,895,690.49/813,349.22
  6. Step 6: Final answer
    x = 622,099.20

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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.