Home / 993,853.70-1,490,780.55-461,197.70

Finding the Fourth Proportional to 993,853.70, 1,490,780.55 and 461,197.70

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Solution

The fourth proportional to 993,853.70, 1,490,780.55 and 461,197.70 is: 691,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,853.70 : 1,490,780.55 = 461,197.70 : x
  2. Step 2: Convert to fraction form
    993,853.70/1,490,780.55 = 461,197.70/x
  3. Step 3: Cross multiply
    993,853.70x = 1,490,780.55 × 461,197.70
  4. Step 4: Simplify right side
    993,853.70x = 687,544,560,864.74
  5. Step 5: Solve for x
    x = 687,544,560,864.74/993,853.70
  6. Step 6: Final answer
    x = 691,796.55

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Half scale
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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.