Home / 558,456.21-771,134.99-517,933.89

Finding the Fourth Proportional to 558,456.21, 771,134.99 and 517,933.89

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Solution

The fourth proportional to 558,456.21, 771,134.99 and 517,933.89 is: 715,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,456.21 : 771,134.99 = 517,933.89 : x
  2. Step 2: Convert to fraction form
    558,456.21/771,134.99 = 517,933.89/x
  3. Step 3: Cross multiply
    558,456.21x = 771,134.99 × 517,933.89
  4. Step 4: Simplify right side
    558,456.21x = 399,396,942,496.14
  5. Step 5: Solve for x
    x = 399,396,942,496.14/558,456.21
  6. Step 6: Final answer
    x = 715,180.41

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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.