Home / 998,784.40-1,498,176.60-662,861.20

Finding the Fourth Proportional to 998,784.40, 1,498,176.60 and 662,861.20

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Solution

The fourth proportional to 998,784.40, 1,498,176.60 and 662,861.20 is: 994,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,784.40 : 1,498,176.60 = 662,861.20 : x
  2. Step 2: Convert to fraction form
    998,784.40/1,498,176.60 = 662,861.20/x
  3. Step 3: Cross multiply
    998,784.40x = 1,498,176.60 × 662,861.20
  4. Step 4: Simplify right side
    998,784.40x = 993,083,138,887.92
  5. Step 5: Solve for x
    x = 993,083,138,887.92/998,784.40
  6. Step 6: Final answer
    x = 994,291.80

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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.