Home / 1,117,936.28-1,676,868.62-469,855.76

Finding the Fourth Proportional to 1,117,936.28, 1,676,868.62 and 469,855.76

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Solution

The fourth proportional to 1,117,936.28, 1,676,868.62 and 469,855.76 is: 704,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,936.28 : 1,676,868.62 = 469,855.76 : x
  2. Step 2: Convert to fraction form
    1,117,936.28/1,676,868.62 = 469,855.76/x
  3. Step 3: Cross multiply
    1,117,936.28x = 1,676,868.62 × 469,855.76
  4. Step 4: Simplify right side
    1,117,936.28x = 787,886,369,136.63
  5. Step 5: Solve for x
    x = 787,886,369,136.63/1,117,936.28
  6. Step 6: Final answer
    x = 704,768.58

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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.