Home / 993,181.80-1,489,772.70-362,116.20

Finding the Fourth Proportional to 993,181.80, 1,489,772.70 and 362,116.20

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Solution

The fourth proportional to 993,181.80, 1,489,772.70 and 362,116.20 is: 543,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,181.80 : 1,489,772.70 = 362,116.20 : x
  2. Step 2: Convert to fraction form
    993,181.80/1,489,772.70 = 362,116.20/x
  3. Step 3: Cross multiply
    993,181.80x = 1,489,772.70 × 362,116.20
  4. Step 4: Simplify right side
    993,181.80x = 539,470,828,987.74
  5. Step 5: Solve for x
    x = 539,470,828,987.74/993,181.80
  6. Step 6: Final answer
    x = 543,174.30

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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.