Home / 558,519.12-831,461.22-555,197.58

Finding the Fourth Proportional to 558,519.12, 831,461.22 and 555,197.58

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Solution

The fourth proportional to 558,519.12, 831,461.22 and 555,197.58 is: 826,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,519.12 : 831,461.22 = 555,197.58 : x
  2. Step 2: Convert to fraction form
    558,519.12/831,461.22 = 555,197.58/x
  3. Step 3: Cross multiply
    558,519.12x = 831,461.22 × 555,197.58
  4. Step 4: Simplify right side
    558,519.12x = 461,625,257,207.85
  5. Step 5: Solve for x
    x = 461,625,257,207.85/558,519.12
  6. Step 6: Final answer
    x = 826,516.48

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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.