Home / 448,077.12-618,574.94-303,645.92

Finding the Fourth Proportional to 448,077.12, 618,574.94 and 303,645.92

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Solution

The fourth proportional to 448,077.12, 618,574.94 and 303,645.92 is: 419,186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,077.12 : 618,574.94 = 303,645.92 : x
  2. Step 2: Convert to fraction form
    448,077.12/618,574.94 = 303,645.92/x
  3. Step 3: Cross multiply
    448,077.12x = 618,574.94 × 303,645.92
  4. Step 4: Simplify right side
    448,077.12x = 187,827,756,745.25
  5. Step 5: Solve for x
    x = 187,827,756,745.25/448,077.12
  6. Step 6: Final answer
    x = 419,186.23

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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.