Home / 1,839,028.28-2,758,431.31-686,052.81

Finding the Fourth Proportional to 1,839,028.28, 2,758,431.31 and 686,052.81

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Solution

The fourth proportional to 1,839,028.28, 2,758,431.31 and 686,052.81 is: 1,029,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,028.28 : 2,758,431.31 = 686,052.81 : x
  2. Step 2: Convert to fraction form
    1,839,028.28/2,758,431.31 = 686,052.81/x
  3. Step 3: Cross multiply
    1,839,028.28x = 2,758,431.31 × 686,052.81
  4. Step 4: Simplify right side
    1,839,028.28x = 1,892,429,549,702.35
  5. Step 5: Solve for x
    x = 1,892,429,549,702.35/1,839,028.28
  6. Step 6: Final answer
    x = 1,029,037.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.