Home / 521,671.32-781,977.51-296,566.52

Finding the Fourth Proportional to 521,671.32, 781,977.51 and 296,566.52

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Solution

The fourth proportional to 521,671.32, 781,977.51 and 296,566.52 is: 444,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,671.32 : 781,977.51 = 296,566.52 : x
  2. Step 2: Convert to fraction form
    521,671.32/781,977.51 = 296,566.52/x
  3. Step 3: Cross multiply
    521,671.32x = 781,977.51 × 296,566.52
  4. Step 4: Simplify right side
    521,671.32x = 231,908,344,949.08
  5. Step 5: Solve for x
    x = 231,908,344,949.08/521,671.32
  6. Step 6: Final answer
    x = 444,548.77

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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.