Home / 434,324.71-650,590.35-322,131.61

Finding the Fourth Proportional to 434,324.71, 650,590.35 and 322,131.61

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Solution

The fourth proportional to 434,324.71, 650,590.35 and 322,131.61 is: 482,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,324.71 : 650,590.35 = 322,131.61 : x
  2. Step 2: Convert to fraction form
    434,324.71/650,590.35 = 322,131.61/x
  3. Step 3: Cross multiply
    434,324.71x = 650,590.35 × 322,131.61
  4. Step 4: Simplify right side
    434,324.71x = 209,575,716,895.96
  5. Step 5: Solve for x
    x = 209,575,716,895.96/434,324.71
  6. Step 6: Final answer
    x = 482,532.34

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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.