Home / 2,079,316.58-3,119,270.11-640,119.76

Finding the Fourth Proportional to 2,079,316.58, 3,119,270.11 and 640,119.76

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Solution

The fourth proportional to 2,079,316.58, 3,119,270.11 and 640,119.76 is: 960,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,316.58 : 3,119,270.11 = 640,119.76 : x
  2. Step 2: Convert to fraction form
    2,079,316.58/3,119,270.11 = 640,119.76/x
  3. Step 3: Cross multiply
    2,079,316.58x = 3,119,270.11 × 640,119.76
  4. Step 4: Simplify right side
    2,079,316.58x = 1,996,706,442,335.79
  5. Step 5: Solve for x
    x = 1,996,706,442,335.79/2,079,316.58
  6. Step 6: Final answer
    x = 960,270.54

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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.