Home / 1,938,086.74-2,906,908.66-518,253.54

Finding the Fourth Proportional to 1,938,086.74, 2,906,908.66 and 518,253.54

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Solution

The fourth proportional to 1,938,086.74, 2,906,908.66 and 518,253.54 is: 777,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,086.74 : 2,906,908.66 = 518,253.54 : x
  2. Step 2: Convert to fraction form
    1,938,086.74/2,906,908.66 = 518,253.54/x
  3. Step 3: Cross multiply
    1,938,086.74x = 2,906,908.66 × 518,253.54
  4. Step 4: Simplify right side
    1,938,086.74x = 1,506,515,703,501.66
  5. Step 5: Solve for x
    x = 1,506,515,703,501.66/1,938,086.74
  6. Step 6: Final answer
    x = 777,321.09

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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.