Home / 928,613.75-1,281,500.33-541,418.36

Finding the Fourth Proportional to 928,613.75, 1,281,500.33 and 541,418.36

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Solution

The fourth proportional to 928,613.75, 1,281,500.33 and 541,418.36 is: 747,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,613.75 : 1,281,500.33 = 541,418.36 : x
  2. Step 2: Convert to fraction form
    928,613.75/1,281,500.33 = 541,418.36/x
  3. Step 3: Cross multiply
    928,613.75x = 1,281,500.33 × 541,418.36
  4. Step 4: Simplify right side
    928,613.75x = 693,827,797,893.47
  5. Step 5: Solve for x
    x = 693,827,797,893.47/928,613.75
  6. Step 6: Final answer
    x = 747,165.12

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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.