Home / 746,141.76-1,119,103.64-366,960.72

Finding the Fourth Proportional to 746,141.76, 1,119,103.64 and 366,960.72

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Solution

The fourth proportional to 746,141.76, 1,119,103.64 and 366,960.72 is: 550,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,141.76 : 1,119,103.64 = 366,960.72 : x
  2. Step 2: Convert to fraction form
    746,141.76/1,119,103.64 = 366,960.72/x
  3. Step 3: Cross multiply
    746,141.76x = 1,119,103.64 × 366,960.72
  4. Step 4: Simplify right side
    746,141.76x = 410,667,077,489.02
  5. Step 5: Solve for x
    x = 410,667,077,489.02/746,141.76
  6. Step 6: Final answer
    x = 550,387.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.