Home / 410,046.57-614,571.20-290,138.07

Finding the Fourth Proportional to 410,046.57, 614,571.20 and 290,138.07

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Solution

The fourth proportional to 410,046.57, 614,571.20 and 290,138.07 is: 434,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,046.57 : 614,571.20 = 290,138.07 : x
  2. Step 2: Convert to fraction form
    410,046.57/614,571.20 = 290,138.07/x
  3. Step 3: Cross multiply
    410,046.57x = 614,571.20 × 290,138.07
  4. Step 4: Simplify right side
    410,046.57x = 178,310,500,394.89
  5. Step 5: Solve for x
    x = 178,310,500,394.89/410,046.57
  6. Step 6: Final answer
    x = 434,854.27

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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.