Home / 598,277.20-897,415.80-399,211.60

Finding the Fourth Proportional to 598,277.20, 897,415.80 and 399,211.60

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Solution

The fourth proportional to 598,277.20, 897,415.80 and 399,211.60 is: 598,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,277.20 : 897,415.80 = 399,211.60 : x
  2. Step 2: Convert to fraction form
    598,277.20/897,415.80 = 399,211.60/x
  3. Step 3: Cross multiply
    598,277.20x = 897,415.80 × 399,211.60
  4. Step 4: Simplify right side
    598,277.20x = 358,258,797,383.28
  5. Step 5: Solve for x
    x = 358,258,797,383.28/598,277.20
  6. Step 6: Final answer
    x = 598,817.40

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Similar ratio
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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.