Home / 628,933.60-943,357.20-202,463.20

Finding the Fourth Proportional to 628,933.60, 943,357.20 and 202,463.20

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Solution

The fourth proportional to 628,933.60, 943,357.20 and 202,463.20 is: 303,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,933.60 : 943,357.20 = 202,463.20 : x
  2. Step 2: Convert to fraction form
    628,933.60/943,357.20 = 202,463.20/x
  3. Step 3: Cross multiply
    628,933.60x = 943,357.20 × 202,463.20
  4. Step 4: Simplify right side
    628,933.60x = 190,995,117,455.04
  5. Step 5: Solve for x
    x = 190,995,117,455.04/628,933.60
  6. Step 6: Final answer
    x = 303,680.89

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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.