Home / 598,420.38-897,157.92-298,735.76

Finding the Fourth Proportional to 598,420.38, 897,157.92 and 298,735.76

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Solution

The fourth proportional to 598,420.38, 897,157.92 and 298,735.76 is: 447,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,420.38 : 897,157.92 = 298,735.76 : x
  2. Step 2: Convert to fraction form
    598,420.38/897,157.92 = 298,735.76/x
  3. Step 3: Cross multiply
    598,420.38x = 897,157.92 × 298,735.76
  4. Step 4: Simplify right side
    598,420.38x = 268,013,153,071.22
  5. Step 5: Solve for x
    x = 268,013,153,071.22/598,420.38
  6. Step 6: Final answer
    x = 447,867.69

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Double scale
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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.