Home / 542,869.56-814,575.96-243,564.03

Finding the Fourth Proportional to 542,869.56, 814,575.96 and 243,564.03

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Solution

The fourth proportional to 542,869.56, 814,575.96 and 243,564.03 is: 365,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,869.56 : 814,575.96 = 243,564.03 : x
  2. Step 2: Convert to fraction form
    542,869.56/814,575.96 = 243,564.03/x
  3. Step 3: Cross multiply
    542,869.56x = 814,575.96 × 243,564.03
  4. Step 4: Simplify right side
    542,869.56x = 198,401,403,558.72
  5. Step 5: Solve for x
    x = 198,401,403,558.72/542,869.56
  6. Step 6: Final answer
    x = 365,467.91

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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.