Home / 2,079,451.82-3,119,475.27-640,257

Finding the Fourth Proportional to 2,079,451.82, 3,119,475.27 and 640,257

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Solution

The fourth proportional to 2,079,451.82, 3,119,475.27 and 640,257 is: 960,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,451.82 : 3,119,475.27 = 640,257 : x
  2. Step 2: Convert to fraction form
    2,079,451.82/3,119,475.27 = 640,257/x
  3. Step 3: Cross multiply
    2,079,451.82x = 3,119,475.27 × 640,257
  4. Step 4: Simplify right side
    2,079,451.82x = 1,997,265,877,944.39
  5. Step 5: Solve for x
    x = 1,997,265,877,944.39/2,079,451.82
  6. Step 6: Final answer
    x = 960,477.11

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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.