Home / 654,231.56-902,844.54-363,847.20

Finding the Fourth Proportional to 654,231.56, 902,844.54 and 363,847.20

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Solution

The fourth proportional to 654,231.56, 902,844.54 and 363,847.20 is: 502,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,231.56 : 902,844.54 = 363,847.20 : x
  2. Step 2: Convert to fraction form
    654,231.56/902,844.54 = 363,847.20/x
  3. Step 3: Cross multiply
    654,231.56x = 902,844.54 × 363,847.20
  4. Step 4: Simplify right side
    654,231.56x = 328,497,457,914.29
  5. Step 5: Solve for x
    x = 328,497,457,914.29/654,231.56
  6. Step 6: Final answer
    x = 502,111.91

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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.