Home / 1,226,593.99-1,692,686.77-682,721.11

Finding the Fourth Proportional to 1,226,593.99, 1,692,686.77 and 682,721.11

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Solution

The fourth proportional to 1,226,593.99, 1,692,686.77 and 682,721.11 is: 942,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,593.99 : 1,692,686.77 = 682,721.11 : x
  2. Step 2: Convert to fraction form
    1,226,593.99/1,692,686.77 = 682,721.11/x
  3. Step 3: Cross multiply
    1,226,593.99x = 1,692,686.77 × 682,721.11
  4. Step 4: Simplify right side
    1,226,593.99x = 1,155,632,990,496.71
  5. Step 5: Solve for x
    x = 1,155,632,990,496.71/1,226,593.99
  6. Step 6: Final answer
    x = 942,147.93

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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.