Home / 754,022.68-1,040,524.95-414,488.50

Finding the Fourth Proportional to 754,022.68, 1,040,524.95 and 414,488.50

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Solution

The fourth proportional to 754,022.68, 1,040,524.95 and 414,488.50 is: 571,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,022.68 : 1,040,524.95 = 414,488.50 : x
  2. Step 2: Convert to fraction form
    754,022.68/1,040,524.95 = 414,488.50/x
  3. Step 3: Cross multiply
    754,022.68x = 1,040,524.95 × 414,488.50
  4. Step 4: Simplify right side
    754,022.68x = 431,285,624,691.10
  5. Step 5: Solve for x
    x = 431,285,624,691.10/754,022.68
  6. Step 6: Final answer
    x = 571,979.65

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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.