Home / 1,226,638.47-1,692,723.41-682,760.27

Finding the Fourth Proportional to 1,226,638.47, 1,692,723.41 and 682,760.27

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Solution

The fourth proportional to 1,226,638.47, 1,692,723.41 and 682,760.27 is: 942,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,638.47 : 1,692,723.41 = 682,760.27 : x
  2. Step 2: Convert to fraction form
    1,226,638.47/1,692,723.41 = 682,760.27/x
  3. Step 3: Cross multiply
    1,226,638.47x = 1,692,723.41 × 682,760.27
  4. Step 4: Simplify right side
    1,226,638.47x = 1,155,724,280,569.50
  5. Step 5: Solve for x
    x = 1,155,724,280,569.50/1,226,638.47
  6. Step 6: Final answer
    x = 942,188.19

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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.