Home / 1,329,940.85-1,835,320.41-756,981

Finding the Fourth Proportional to 1,329,940.85, 1,835,320.41 and 756,981

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Solution

The fourth proportional to 1,329,940.85, 1,835,320.41 and 756,981 is: 1,044,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,940.85 : 1,835,320.41 = 756,981 : x
  2. Step 2: Convert to fraction form
    1,329,940.85/1,835,320.41 = 756,981/x
  3. Step 3: Cross multiply
    1,329,940.85x = 1,835,320.41 × 756,981
  4. Step 4: Simplify right side
    1,329,940.85x = 1,389,302,679,282.21
  5. Step 5: Solve for x
    x = 1,389,302,679,282.21/1,329,940.85
  6. Step 6: Final answer
    x = 1,044,634.94

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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.