Home / 520,339.14-718,082.01-293,979.78

Finding the Fourth Proportional to 520,339.14, 718,082.01 and 293,979.78

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Solution

The fourth proportional to 520,339.14, 718,082.01 and 293,979.78 is: 405,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,339.14 : 718,082.01 = 293,979.78 : x
  2. Step 2: Convert to fraction form
    520,339.14/718,082.01 = 293,979.78/x
  3. Step 3: Cross multiply
    520,339.14x = 718,082.01 × 293,979.78
  4. Step 4: Simplify right side
    520,339.14x = 211,101,591,321.76
  5. Step 5: Solve for x
    x = 211,101,591,321.76/520,339.14
  6. Step 6: Final answer
    x = 405,700.00

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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.