Home / 638,793.48-959,581.11-386,192.93

Finding the Fourth Proportional to 638,793.48, 959,581.11 and 386,192.93

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Solution

The fourth proportional to 638,793.48, 959,581.11 and 386,192.93 is: 580,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,793.48 : 959,581.11 = 386,192.93 : x
  2. Step 2: Convert to fraction form
    638,793.48/959,581.11 = 386,192.93/x
  3. Step 3: Cross multiply
    638,793.48x = 959,581.11 × 386,192.93
  4. Step 4: Simplify right side
    638,793.48x = 370,583,435,645.65
  5. Step 5: Solve for x
    x = 370,583,435,645.65/638,793.48
  6. Step 6: Final answer
    x = 580,130.27

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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.