Home / 467,789.49-645,545.74-271,574.18

Finding the Fourth Proportional to 467,789.49, 645,545.74 and 271,574.18

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Solution

The fourth proportional to 467,789.49, 645,545.74 and 271,574.18 is: 374,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,789.49 : 645,545.74 = 271,574.18 : x
  2. Step 2: Convert to fraction form
    467,789.49/645,545.74 = 271,574.18/x
  3. Step 3: Cross multiply
    467,789.49x = 645,545.74 × 271,574.18
  4. Step 4: Simplify right side
    467,789.49x = 175,313,551,086.33
  5. Step 5: Solve for x
    x = 175,313,551,086.33/467,789.49
  6. Step 6: Final answer
    x = 374,770.18

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1.5x scale

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.