Home / 993,769.20-1,490,653.80-496,105.20

Finding the Fourth Proportional to 993,769.20, 1,490,653.80 and 496,105.20

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Solution

The fourth proportional to 993,769.20, 1,490,653.80 and 496,105.20 is: 744,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,769.20 : 1,490,653.80 = 496,105.20 : x
  2. Step 2: Convert to fraction form
    993,769.20/1,490,653.80 = 496,105.20/x
  3. Step 3: Cross multiply
    993,769.20x = 1,490,653.80 × 496,105.20
  4. Step 4: Simplify right side
    993,769.20x = 739,521,101,579.76
  5. Step 5: Solve for x
    x = 739,521,101,579.76/993,769.20
  6. Step 6: Final answer
    x = 744,157.80

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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.