Home / 879,600.96-1,213,099.20-676,144.80

Finding the Fourth Proportional to 879,600.96, 1,213,099.20 and 676,144.80

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Solution

The fourth proportional to 879,600.96, 1,213,099.20 and 676,144.80 is: 932,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,600.96 : 1,213,099.20 = 676,144.80 : x
  2. Step 2: Convert to fraction form
    879,600.96/1,213,099.20 = 676,144.80/x
  3. Step 3: Cross multiply
    879,600.96x = 1,213,099.20 × 676,144.80
  4. Step 4: Simplify right side
    879,600.96x = 820,230,715,964.16
  5. Step 5: Solve for x
    x = 820,230,715,964.16/879,600.96
  6. Step 6: Final answer
    x = 932,503.21

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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.