Home / 808,840.90-1,213,261.35-798,343.30

Finding the Fourth Proportional to 808,840.90, 1,213,261.35 and 798,343.30

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Solution

The fourth proportional to 808,840.90, 1,213,261.35 and 798,343.30 is: 1,197,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,840.90 : 1,213,261.35 = 798,343.30 : x
  2. Step 2: Convert to fraction form
    808,840.90/1,213,261.35 = 798,343.30/x
  3. Step 3: Cross multiply
    808,840.90x = 1,213,261.35 × 798,343.30
  4. Step 4: Simplify right side
    808,840.90x = 968,599,069,921.46
  5. Step 5: Solve for x
    x = 968,599,069,921.46/808,840.90
  6. Step 6: Final answer
    x = 1,197,514.95

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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.