Home / 646,392.39-969,588.59-203,160.39

Finding the Fourth Proportional to 646,392.39, 969,588.59 and 203,160.39

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Solution

The fourth proportional to 646,392.39, 969,588.59 and 203,160.39 is: 304,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,392.39 : 969,588.59 = 203,160.39 : x
  2. Step 2: Convert to fraction form
    646,392.39/969,588.59 = 203,160.39/x
  3. Step 3: Cross multiply
    646,392.39x = 969,588.59 × 203,160.39
  4. Step 4: Simplify right side
    646,392.39x = 196,981,995,068.15
  5. Step 5: Solve for x
    x = 196,981,995,068.15/646,392.39
  6. Step 6: Final answer
    x = 304,740.59

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Half scale
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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.