Home / 628,663.81-943,179.44-202,190.05

Finding the Fourth Proportional to 628,663.81, 943,179.44 and 202,190.05

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Solution

The fourth proportional to 628,663.81, 943,179.44 and 202,190.05 is: 303,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,663.81 : 943,179.44 = 202,190.05 : x
  2. Step 2: Convert to fraction form
    628,663.81/943,179.44 = 202,190.05/x
  3. Step 3: Cross multiply
    628,663.81x = 943,179.44 × 202,190.05
  4. Step 4: Simplify right side
    628,663.81x = 190,701,498,132.57
  5. Step 5: Solve for x
    x = 190,701,498,132.57/628,663.81
  6. Step 6: Final answer
    x = 303,344.16

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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.