Home / 823,042.32-1,136,186.70-619,170.89

Finding the Fourth Proportional to 823,042.32, 1,136,186.70 and 619,170.89

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Solution

The fourth proportional to 823,042.32, 1,136,186.70 and 619,170.89 is: 854,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,042.32 : 1,136,186.70 = 619,170.89 : x
  2. Step 2: Convert to fraction form
    823,042.32/1,136,186.70 = 619,170.89/x
  3. Step 3: Cross multiply
    823,042.32x = 1,136,186.70 × 619,170.89
  4. Step 4: Simplify right side
    823,042.32x = 703,493,722,242.34
  5. Step 5: Solve for x
    x = 703,493,722,242.34/823,042.32
  6. Step 6: Final answer
    x = 854,747.94

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Double scale
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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.