Home / 998,418.30-1,497,627.45-620,504.70

Finding the Fourth Proportional to 998,418.30, 1,497,627.45 and 620,504.70

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Solution

The fourth proportional to 998,418.30, 1,497,627.45 and 620,504.70 is: 930,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,418.30 : 1,497,627.45 = 620,504.70 : x
  2. Step 2: Convert to fraction form
    998,418.30/1,497,627.45 = 620,504.70/x
  3. Step 3: Cross multiply
    998,418.30x = 1,497,627.45 × 620,504.70
  4. Step 4: Simplify right side
    998,418.30x = 929,284,871,574.02
  5. Step 5: Solve for x
    x = 929,284,871,574.02/998,418.30
  6. Step 6: Final answer
    x = 930,757.05

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Double scale
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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.