Home / 830,840.64-1,246,260.96-199,754.44

Finding the Fourth Proportional to 830,840.64, 1,246,260.96 and 199,754.44

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Solution

The fourth proportional to 830,840.64, 1,246,260.96 and 199,754.44 is: 299,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,840.64 : 1,246,260.96 = 199,754.44 : x
  2. Step 2: Convert to fraction form
    830,840.64/1,246,260.96 = 199,754.44/x
  3. Step 3: Cross multiply
    830,840.64x = 1,246,260.96 × 199,754.44
  4. Step 4: Simplify right side
    830,840.64x = 248,946,160,158.66
  5. Step 5: Solve for x
    x = 248,946,160,158.66/830,840.64
  6. Step 6: Final answer
    x = 299,631.66

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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.