Home / 810,147.24-1,214,469.60-277,541.70

Finding the Fourth Proportional to 810,147.24, 1,214,469.60 and 277,541.70

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Solution

The fourth proportional to 810,147.24, 1,214,469.60 and 277,541.70 is: 416,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,147.24 : 1,214,469.60 = 277,541.70 : x
  2. Step 2: Convert to fraction form
    810,147.24/1,214,469.60 = 277,541.70/x
  3. Step 3: Cross multiply
    810,147.24x = 1,214,469.60 × 277,541.70
  4. Step 4: Simplify right side
    810,147.24x = 337,065,957,382.32
  5. Step 5: Solve for x
    x = 337,065,957,382.32/810,147.24
  6. Step 6: Final answer
    x = 416,055.18

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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.