Home / 813,170.34-1,122,610.17-519,115.80

Finding the Fourth Proportional to 813,170.34, 1,122,610.17 and 519,115.80

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Solution

The fourth proportional to 813,170.34, 1,122,610.17 and 519,115.80 is: 716,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,170.34 : 1,122,610.17 = 519,115.80 : x
  2. Step 2: Convert to fraction form
    813,170.34/1,122,610.17 = 519,115.80/x
  3. Step 3: Cross multiply
    813,170.34x = 1,122,610.17 × 519,115.80
  4. Step 4: Simplify right side
    813,170.34x = 582,764,677,445.09
  5. Step 5: Solve for x
    x = 582,764,677,445.09/813,170.34
  6. Step 6: Final answer
    x = 716,657.57

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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.