Home / 477,974.90-659,613.75-260,189.83

Finding the Fourth Proportional to 477,974.90, 659,613.75 and 260,189.83

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Solution

The fourth proportional to 477,974.90, 659,613.75 and 260,189.83 is: 359,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,974.90 : 659,613.75 = 260,189.83 : x
  2. Step 2: Convert to fraction form
    477,974.90/659,613.75 = 260,189.83/x
  3. Step 3: Cross multiply
    477,974.90x = 659,613.75 × 260,189.83
  4. Step 4: Simplify right side
    477,974.90x = 171,624,788,177.21
  5. Step 5: Solve for x
    x = 171,624,788,177.21/477,974.90
  6. Step 6: Final answer
    x = 359,066.53

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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.