Home / 2,135,888.91-3,203,425.12-639,980.91

Finding the Fourth Proportional to 2,135,888.91, 3,203,425.12 and 639,980.91

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Solution

The fourth proportional to 2,135,888.91, 3,203,425.12 and 639,980.91 is: 959,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,888.91 : 3,203,425.12 = 639,980.91 : x
  2. Step 2: Convert to fraction form
    2,135,888.91/3,203,425.12 = 639,980.91/x
  3. Step 3: Cross multiply
    2,135,888.91x = 3,203,425.12 × 639,980.91
  4. Step 4: Simplify right side
    2,135,888.91x = 2,050,130,912,204.89
  5. Step 5: Solve for x
    x = 2,050,130,912,204.89/2,135,888.91
  6. Step 6: Final answer
    x = 959,849.04

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Double scale
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Similar ratio
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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.