Home / 998,436.30-1,497,654.45-620,522.70

Finding the Fourth Proportional to 998,436.30, 1,497,654.45 and 620,522.70

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Solution

The fourth proportional to 998,436.30, 1,497,654.45 and 620,522.70 is: 930,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,436.30 : 1,497,654.45 = 620,522.70 : x
  2. Step 2: Convert to fraction form
    998,436.30/1,497,654.45 = 620,522.70/x
  3. Step 3: Cross multiply
    998,436.30x = 1,497,654.45 × 620,522.70
  4. Step 4: Simplify right side
    998,436.30x = 929,328,582,981.02
  5. Step 5: Solve for x
    x = 929,328,582,981.02/998,436.30
  6. Step 6: Final answer
    x = 930,784.05

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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.