Home / 1,203,989.14-1,806,170.31-405,208.35

Finding the Fourth Proportional to 1,203,989.14, 1,806,170.31 and 405,208.35

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Solution

The fourth proportional to 1,203,989.14, 1,806,170.31 and 405,208.35 is: 607,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,989.14 : 1,806,170.31 = 405,208.35 : x
  2. Step 2: Convert to fraction form
    1,203,989.14/1,806,170.31 = 405,208.35/x
  3. Step 3: Cross multiply
    1,203,989.14x = 1,806,170.31 × 405,208.35
  4. Step 4: Simplify right side
    1,203,989.14x = 731,875,291,134.09
  5. Step 5: Solve for x
    x = 731,875,291,134.09/1,203,989.14
  6. Step 6: Final answer
    x = 607,875.33

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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.