Home / 834,813.24-1,251,112.68-435,789.64

Finding the Fourth Proportional to 834,813.24, 1,251,112.68 and 435,789.64

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Solution

The fourth proportional to 834,813.24, 1,251,112.68 and 435,789.64 is: 653,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,813.24 : 1,251,112.68 = 435,789.64 : x
  2. Step 2: Convert to fraction form
    834,813.24/1,251,112.68 = 435,789.64/x
  3. Step 3: Cross multiply
    834,813.24x = 1,251,112.68 × 435,789.64
  4. Step 4: Simplify right side
    834,813.24x = 545,221,944,416.64
  5. Step 5: Solve for x
    x = 545,221,944,416.64/834,813.24
  6. Step 6: Final answer
    x = 653,106.49

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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.