Home / 1,916,493.39-2,875,136.85-779,255.73

Finding the Fourth Proportional to 1,916,493.39, 2,875,136.85 and 779,255.73

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Solution

The fourth proportional to 1,916,493.39, 2,875,136.85 and 779,255.73 is: 1,169,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,493.39 : 2,875,136.85 = 779,255.73 : x
  2. Step 2: Convert to fraction form
    1,916,493.39/2,875,136.85 = 779,255.73/x
  3. Step 3: Cross multiply
    1,916,493.39x = 2,875,136.85 × 779,255.73
  4. Step 4: Simplify right side
    1,916,493.39x = 2,240,466,864,896.65
  5. Step 5: Solve for x
    x = 2,240,466,864,896.65/1,916,493.39
  6. Step 6: Final answer
    x = 1,169,044.92

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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.