Home / 513,199.88-708,187.22-283,743.90

Finding the Fourth Proportional to 513,199.88, 708,187.22 and 283,743.90

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Solution

The fourth proportional to 513,199.88, 708,187.22 and 283,743.90 is: 391,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,199.88 : 708,187.22 = 283,743.90 : x
  2. Step 2: Convert to fraction form
    513,199.88/708,187.22 = 283,743.90/x
  3. Step 3: Cross multiply
    513,199.88x = 708,187.22 × 283,743.90
  4. Step 4: Simplify right side
    513,199.88x = 200,943,803,732.96
  5. Step 5: Solve for x
    x = 200,943,803,732.96/513,199.88
  6. Step 6: Final answer
    x = 391,550.76

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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.