Home / 558,520.12-831,462.71-555,198.58

Finding the Fourth Proportional to 558,520.12, 831,462.71 and 555,198.58

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Solution

The fourth proportional to 558,520.12, 831,462.71 and 555,198.58 is: 826,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,520.12 : 831,462.71 = 555,198.58 : x
  2. Step 2: Convert to fraction form
    558,520.12/831,462.71 = 555,198.58/x
  3. Step 3: Cross multiply
    558,520.12x = 831,462.71 × 555,198.58
  4. Step 4: Simplify right side
    558,520.12x = 461,626,915,914.95
  5. Step 5: Solve for x
    x = 461,626,915,914.95/558,520.12
  6. Step 6: Final answer
    x = 826,517.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.