Home / 1,364,878.81-1,884,136.71-881,679.52

Finding the Fourth Proportional to 1,364,878.81, 1,884,136.71 and 881,679.52

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Solution

The fourth proportional to 1,364,878.81, 1,884,136.71 and 881,679.52 is: 1,217,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,878.81 : 1,884,136.71 = 881,679.52 : x
  2. Step 2: Convert to fraction form
    1,364,878.81/1,884,136.71 = 881,679.52/x
  3. Step 3: Cross multiply
    1,364,878.81x = 1,884,136.71 × 881,679.52
  4. Step 4: Simplify right side
    1,364,878.81x = 1,661,204,750,087.18
  5. Step 5: Solve for x
    x = 1,661,204,750,087.18/1,364,878.81
  6. Step 6: Final answer
    x = 1,217,107.88

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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.