Home / 1,101,211.07-1,519,681.68-617,786.65

Finding the Fourth Proportional to 1,101,211.07, 1,519,681.68 and 617,786.65

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Solution

The fourth proportional to 1,101,211.07, 1,519,681.68 and 617,786.65 is: 852,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,211.07 : 1,519,681.68 = 617,786.65 : x
  2. Step 2: Convert to fraction form
    1,101,211.07/1,519,681.68 = 617,786.65/x
  3. Step 3: Cross multiply
    1,101,211.07x = 1,519,681.68 × 617,786.65
  4. Step 4: Simplify right side
    1,101,211.07x = 938,839,045,767.44
  5. Step 5: Solve for x
    x = 938,839,045,767.44/1,101,211.07
  6. Step 6: Final answer
    x = 852,551.40

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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.