Home / 451,205.20-622,855.28-304,062.33

Finding the Fourth Proportional to 451,205.20, 622,855.28 and 304,062.33

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Solution

The fourth proportional to 451,205.20, 622,855.28 and 304,062.33 is: 419,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,205.20 : 622,855.28 = 304,062.33 : x
  2. Step 2: Convert to fraction form
    451,205.20/622,855.28 = 304,062.33/x
  3. Step 3: Cross multiply
    451,205.20x = 622,855.28 × 304,062.33
  4. Step 4: Simplify right side
    451,205.20x = 189,386,827,689.60
  5. Step 5: Solve for x
    x = 189,386,827,689.60/451,205.20
  6. Step 6: Final answer
    x = 419,735.47

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1.5x scale

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.