Home / 567,231.36-782,769.20-309,110.56

Finding the Fourth Proportional to 567,231.36, 782,769.20 and 309,110.56

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Solution

The fourth proportional to 567,231.36, 782,769.20 and 309,110.56 is: 426,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,231.36 : 782,769.20 = 309,110.56 : x
  2. Step 2: Convert to fraction form
    567,231.36/782,769.20 = 309,110.56/x
  3. Step 3: Cross multiply
    567,231.36x = 782,769.20 × 309,110.56
  4. Step 4: Simplify right side
    567,231.36x = 241,962,225,762.75
  5. Step 5: Solve for x
    x = 241,962,225,762.75/567,231.36
  6. Step 6: Final answer
    x = 426,567.08

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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.