Home / 793,976.48-1,191,139.68-439,507.52

Finding the Fourth Proportional to 793,976.48, 1,191,139.68 and 439,507.52

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Solution

The fourth proportional to 793,976.48, 1,191,139.68 and 439,507.52 is: 659,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,976.48 : 1,191,139.68 = 439,507.52 : x
  2. Step 2: Convert to fraction form
    793,976.48/1,191,139.68 = 439,507.52/x
  3. Step 3: Cross multiply
    793,976.48x = 1,191,139.68 × 439,507.52
  4. Step 4: Simplify right side
    793,976.48x = 523,514,846,730.39
  5. Step 5: Solve for x
    x = 523,514,846,730.39/793,976.48
  6. Step 6: Final answer
    x = 659,358.13

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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.