Home / 1,553,722.82-2,144,104.44-865,392.56

Finding the Fourth Proportional to 1,553,722.82, 2,144,104.44 and 865,392.56

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Solution

The fourth proportional to 1,553,722.82, 2,144,104.44 and 865,392.56 is: 1,194,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,722.82 : 2,144,104.44 = 865,392.56 : x
  2. Step 2: Convert to fraction form
    1,553,722.82/2,144,104.44 = 865,392.56/x
  3. Step 3: Cross multiply
    1,553,722.82x = 2,144,104.44 × 865,392.56
  4. Step 4: Simplify right side
    1,553,722.82x = 1,855,492,030,238.97
  5. Step 5: Solve for x
    x = 1,855,492,030,238.97/1,553,722.82
  6. Step 6: Final answer
    x = 1,194,223.32

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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.