Home / 810,906.60-1,216,244.70-249,997.80

Finding the Fourth Proportional to 810,906.60, 1,216,244.70 and 249,997.80

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Solution

The fourth proportional to 810,906.60, 1,216,244.70 and 249,997.80 is: 374,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,906.60 : 1,216,244.70 = 249,997.80 : x
  2. Step 2: Convert to fraction form
    810,906.60/1,216,244.70 = 249,997.80/x
  3. Step 3: Cross multiply
    810,906.60x = 1,216,244.70 × 249,997.80
  4. Step 4: Simplify right side
    810,906.60x = 304,058,499,261.66
  5. Step 5: Solve for x
    x = 304,058,499,261.66/810,906.60
  6. Step 6: Final answer
    x = 374,961.18

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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.