Home / 513,345.24-769,959.03-134,302.56

Finding the Fourth Proportional to 513,345.24, 769,959.03 and 134,302.56

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Solution

The fourth proportional to 513,345.24, 769,959.03 and 134,302.56 is: 201,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,345.24 : 769,959.03 = 134,302.56 : x
  2. Step 2: Convert to fraction form
    513,345.24/769,959.03 = 134,302.56/x
  3. Step 3: Cross multiply
    513,345.24x = 769,959.03 × 134,302.56
  4. Step 4: Simplify right side
    513,345.24x = 103,407,468,824.12
  5. Step 5: Solve for x
    x = 103,407,468,824.12/513,345.24
  6. Step 6: Final answer
    x = 201,438.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.