Home / 1,686,626.21-2,327,599.18-922,679.77

Finding the Fourth Proportional to 1,686,626.21, 2,327,599.18 and 922,679.77

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Solution

The fourth proportional to 1,686,626.21, 2,327,599.18 and 922,679.77 is: 1,273,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,626.21 : 2,327,599.18 = 922,679.77 : x
  2. Step 2: Convert to fraction form
    1,686,626.21/2,327,599.18 = 922,679.77/x
  3. Step 3: Cross multiply
    1,686,626.21x = 2,327,599.18 × 922,679.77
  4. Step 4: Simplify right side
    1,686,626.21x = 2,147,628,670,563.12
  5. Step 5: Solve for x
    x = 2,147,628,670,563.12/1,686,626.21
  6. Step 6: Final answer
    x = 1,273,328.18

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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.