Home / 1,226,103.89-1,692,023.37-682,274.71

Finding the Fourth Proportional to 1,226,103.89, 1,692,023.37 and 682,274.71

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Solution

The fourth proportional to 1,226,103.89, 1,692,023.37 and 682,274.71 is: 941,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,103.89 : 1,692,023.37 = 682,274.71 : x
  2. Step 2: Convert to fraction form
    1,226,103.89/1,692,023.37 = 682,274.71/x
  3. Step 3: Cross multiply
    1,226,103.89x = 1,692,023.37 × 682,274.71
  4. Step 4: Simplify right side
    1,226,103.89x = 1,154,424,754,079.97
  5. Step 5: Solve for x
    x = 1,154,424,754,079.97/1,226,103.89
  6. Step 6: Final answer
    x = 941,539.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.