Home / 1,203,987.14-1,806,167.31-405,206.35

Finding the Fourth Proportional to 1,203,987.14, 1,806,167.31 and 405,206.35

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Solution

The fourth proportional to 1,203,987.14, 1,806,167.31 and 405,206.35 is: 607,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,987.14 : 1,806,167.31 = 405,206.35 : x
  2. Step 2: Convert to fraction form
    1,203,987.14/1,806,167.31 = 405,206.35/x
  3. Step 3: Cross multiply
    1,203,987.14x = 1,806,167.31 × 405,206.35
  4. Step 4: Simplify right side
    1,203,987.14x = 731,870,459,418.76
  5. Step 5: Solve for x
    x = 731,870,459,418.76/1,203,987.14
  6. Step 6: Final answer
    x = 607,872.32

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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.