Home / 862,883.26-1,190,819.44-480,912.77

Finding the Fourth Proportional to 862,883.26, 1,190,819.44 and 480,912.77

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Solution

The fourth proportional to 862,883.26, 1,190,819.44 and 480,912.77 is: 663,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,883.26 : 1,190,819.44 = 480,912.77 : x
  2. Step 2: Convert to fraction form
    862,883.26/1,190,819.44 = 480,912.77/x
  3. Step 3: Cross multiply
    862,883.26x = 1,190,819.44 × 480,912.77
  4. Step 4: Simplify right side
    862,883.26x = 572,680,277,235.02
  5. Step 5: Solve for x
    x = 572,680,277,235.02/862,883.26
  6. Step 6: Final answer
    x = 663,682.22

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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.