Home / 1,686,624.28-2,327,559.89-922,661.44

Finding the Fourth Proportional to 1,686,624.28, 2,327,559.89 and 922,661.44

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Solution

The fourth proportional to 1,686,624.28, 2,327,559.89 and 922,661.44 is: 1,273,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,624.28 : 2,327,559.89 = 922,661.44 : x
  2. Step 2: Convert to fraction form
    1,686,624.28/2,327,559.89 = 922,661.44/x
  3. Step 3: Cross multiply
    1,686,624.28x = 2,327,559.89 × 922,661.44
  4. Step 4: Simplify right side
    1,686,624.28x = 2,147,549,749,361.43
  5. Step 5: Solve for x
    x = 2,147,549,749,361.43/1,686,624.28
  6. Step 6: Final answer
    x = 1,273,282.84

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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.