Home / 604,109.77-905,971.01-199,211.10

Finding the Fourth Proportional to 604,109.77, 905,971.01 and 199,211.10

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Solution

The fourth proportional to 604,109.77, 905,971.01 and 199,211.10 is: 298,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,109.77 : 905,971.01 = 199,211.10 : x
  2. Step 2: Convert to fraction form
    604,109.77/905,971.01 = 199,211.10/x
  3. Step 3: Cross multiply
    604,109.77x = 905,971.01 × 199,211.10
  4. Step 4: Simplify right side
    604,109.77x = 180,479,479,037.75
  5. Step 5: Solve for x
    x = 180,479,479,037.75/604,109.77
  6. Step 6: Final answer
    x = 298,752.79

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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.