Home / 654,585.15-979,777.49-350,217.89

Finding the Fourth Proportional to 654,585.15, 979,777.49 and 350,217.89

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Solution

The fourth proportional to 654,585.15, 979,777.49 and 350,217.89 is: 524,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,585.15 : 979,777.49 = 350,217.89 : x
  2. Step 2: Convert to fraction form
    654,585.15/979,777.49 = 350,217.89/x
  3. Step 3: Cross multiply
    654,585.15x = 979,777.49 × 350,217.89
  4. Step 4: Simplify right side
    654,585.15x = 343,135,607,228.97
  5. Step 5: Solve for x
    x = 343,135,607,228.97/654,585.15
  6. Step 6: Final answer
    x = 524,203.17

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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.