Home / 690,144.90-1,034,245.35-548,232.90

Finding the Fourth Proportional to 690,144.90, 1,034,245.35 and 548,232.90

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Solution

The fourth proportional to 690,144.90, 1,034,245.35 and 548,232.90 is: 821,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,144.90 : 1,034,245.35 = 548,232.90 : x
  2. Step 2: Convert to fraction form
    690,144.90/1,034,245.35 = 548,232.90/x
  3. Step 3: Cross multiply
    690,144.90x = 1,034,245.35 × 548,232.90
  4. Step 4: Simplify right side
    690,144.90x = 567,007,327,542.02
  5. Step 5: Solve for x
    x = 567,007,327,542.02/690,144.90
  6. Step 6: Final answer
    x = 821,577.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.