Home / 754,338.52-1,040,943.72-414,807.04

Finding the Fourth Proportional to 754,338.52, 1,040,943.72 and 414,807.04

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Solution

The fourth proportional to 754,338.52, 1,040,943.72 and 414,807.04 is: 572,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,338.52 : 1,040,943.72 = 414,807.04 : x
  2. Step 2: Convert to fraction form
    754,338.52/1,040,943.72 = 414,807.04/x
  3. Step 3: Cross multiply
    754,338.52x = 1,040,943.72 × 414,807.04
  4. Step 4: Simplify right side
    754,338.52x = 431,790,783,299.79
  5. Step 5: Solve for x
    x = 431,790,783,299.79/754,338.52
  6. Step 6: Final answer
    x = 572,409.83

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1.5x scale

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.