Home / 658,504.40-987,799.80-185,205.20

Finding the Fourth Proportional to 658,504.40, 987,799.80 and 185,205.20

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Solution

The fourth proportional to 658,504.40, 987,799.80 and 185,205.20 is: 277,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,504.40 : 987,799.80 = 185,205.20 : x
  2. Step 2: Convert to fraction form
    658,504.40/987,799.80 = 185,205.20/x
  3. Step 3: Cross multiply
    658,504.40x = 987,799.80 × 185,205.20
  4. Step 4: Simplify right side
    658,504.40x = 182,945,659,518.96
  5. Step 5: Solve for x
    x = 182,945,659,518.96/658,504.40
  6. Step 6: Final answer
    x = 277,819.95

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1.5x scale

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.