Home / 830,840.88-1,246,261.32-199,754.70

Finding the Fourth Proportional to 830,840.88, 1,246,261.32 and 199,754.70

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Solution

The fourth proportional to 830,840.88, 1,246,261.32 and 199,754.70 is: 299,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,840.88 : 1,246,261.32 = 199,754.70 : x
  2. Step 2: Convert to fraction form
    830,840.88/1,246,261.32 = 199,754.70/x
  3. Step 3: Cross multiply
    830,840.88x = 1,246,261.32 × 199,754.70
  4. Step 4: Simplify right side
    830,840.88x = 248,946,556,098.20
  5. Step 5: Solve for x
    x = 248,946,556,098.20/830,840.88
  6. Step 6: Final answer
    x = 299,632.05

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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.