Home / 961,680.78-1,326,797.18-553,773.84

Finding the Fourth Proportional to 961,680.78, 1,326,797.18 and 553,773.84

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Solution

The fourth proportional to 961,680.78, 1,326,797.18 and 553,773.84 is: 764,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,680.78 : 1,326,797.18 = 553,773.84 : x
  2. Step 2: Convert to fraction form
    961,680.78/1,326,797.18 = 553,773.84/x
  3. Step 3: Cross multiply
    961,680.78x = 1,326,797.18 × 553,773.84
  4. Step 4: Simplify right side
    961,680.78x = 734,745,566,500.90
  5. Step 5: Solve for x
    x = 734,745,566,500.90/961,680.78
  6. Step 6: Final answer
    x = 764,022.31

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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.