Home / 554,721.19-832,081.78-133,997.06

Finding the Fourth Proportional to 554,721.19, 832,081.78 and 133,997.06

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Solution

The fourth proportional to 554,721.19, 832,081.78 and 133,997.06 is: 200,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,721.19 : 832,081.78 = 133,997.06 : x
  2. Step 2: Convert to fraction form
    554,721.19/832,081.78 = 133,997.06/x
  3. Step 3: Cross multiply
    554,721.19x = 832,081.78 × 133,997.06
  4. Step 4: Simplify right side
    554,721.19x = 111,496,512,199.57
  5. Step 5: Solve for x
    x = 111,496,512,199.57/554,721.19
  6. Step 6: Final answer
    x = 200,995.59

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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.