Home / 571,958.20-788,974.39-356,724.60

Finding the Fourth Proportional to 571,958.20, 788,974.39 and 356,724.60

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Solution

The fourth proportional to 571,958.20, 788,974.39 and 356,724.60 is: 492,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,958.20 : 788,974.39 = 356,724.60 : x
  2. Step 2: Convert to fraction form
    571,958.20/788,974.39 = 356,724.60/x
  3. Step 3: Cross multiply
    571,958.20x = 788,974.39 × 356,724.60
  4. Step 4: Simplify right side
    571,958.20x = 281,446,573,682.99
  5. Step 5: Solve for x
    x = 281,446,573,682.99/571,958.20
  6. Step 6: Final answer
    x = 492,075.42

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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.