Home / 646,392.14-969,588.21-203,160.14

Finding the Fourth Proportional to 646,392.14, 969,588.21 and 203,160.14

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Solution

The fourth proportional to 646,392.14, 969,588.21 and 203,160.14 is: 304,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,392.14 : 969,588.21 = 203,160.14 : x
  2. Step 2: Convert to fraction form
    646,392.14/969,588.21 = 203,160.14/x
  3. Step 3: Cross multiply
    646,392.14x = 969,588.21 × 203,160.14
  4. Step 4: Simplify right side
    646,392.14x = 196,981,678,909.92
  5. Step 5: Solve for x
    x = 196,981,678,909.92/646,392.14
  6. Step 6: Final answer
    x = 304,740.21

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Double scale
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Similar ratio
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1.5x scale

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.