Home / 635,638.28-953,457.39-236,379.56

Finding the Fourth Proportional to 635,638.28, 953,457.39 and 236,379.56

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Solution

The fourth proportional to 635,638.28, 953,457.39 and 236,379.56 is: 354,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,638.28 : 953,457.39 = 236,379.56 : x
  2. Step 2: Convert to fraction form
    635,638.28/953,457.39 = 236,379.56/x
  3. Step 3: Cross multiply
    635,638.28x = 953,457.39 × 236,379.56
  4. Step 4: Simplify right side
    635,638.28x = 225,377,833,559.66
  5. Step 5: Solve for x
    x = 225,377,833,559.66/635,638.28
  6. Step 6: Final answer
    x = 354,569.32

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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.