Home / 746,128.76-1,119,084.14-366,947.72

Finding the Fourth Proportional to 746,128.76, 1,119,084.14 and 366,947.72

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Solution

The fourth proportional to 746,128.76, 1,119,084.14 and 366,947.72 is: 550,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,128.76 : 1,119,084.14 = 366,947.72 : x
  2. Step 2: Convert to fraction form
    746,128.76/1,119,084.14 = 366,947.72/x
  3. Step 3: Cross multiply
    746,128.76x = 1,119,084.14 × 366,947.72
  4. Step 4: Simplify right side
    746,128.76x = 410,645,373,661.16
  5. Step 5: Solve for x
    x = 410,645,373,661.16/746,128.76
  6. Step 6: Final answer
    x = 550,367.97

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Double scale
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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.