Home / 1,138,803.78-1,708,204.32-465,201.66

Finding the Fourth Proportional to 1,138,803.78, 1,708,204.32 and 465,201.66

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Solution

The fourth proportional to 1,138,803.78, 1,708,204.32 and 465,201.66 is: 697,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,803.78 : 1,708,204.32 = 465,201.66 : x
  2. Step 2: Convert to fraction form
    1,138,803.78/1,708,204.32 = 465,201.66/x
  3. Step 3: Cross multiply
    1,138,803.78x = 1,708,204.32 × 465,201.66
  4. Step 4: Simplify right side
    1,138,803.78x = 794,659,485,283.17
  5. Step 5: Solve for x
    x = 794,659,485,283.17/1,138,803.78
  6. Step 6: Final answer
    x = 697,801.94

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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.