Home / 511,220.73-705,487.41-296,488.11

Finding the Fourth Proportional to 511,220.73, 705,487.41 and 296,488.11

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Solution

The fourth proportional to 511,220.73, 705,487.41 and 296,488.11 is: 409,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,220.73 : 705,487.41 = 296,488.11 : x
  2. Step 2: Convert to fraction form
    511,220.73/705,487.41 = 296,488.11/x
  3. Step 3: Cross multiply
    511,220.73x = 705,487.41 × 296,488.11
  4. Step 4: Simplify right side
    511,220.73x = 209,168,628,819.70
  5. Step 5: Solve for x
    x = 209,168,628,819.70/511,220.73
  6. Step 6: Final answer
    x = 409,155.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.