Home / 814,612.24-1,221,927.32-245,998.16

Finding the Fourth Proportional to 814,612.24, 1,221,927.32 and 245,998.16

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Solution

The fourth proportional to 814,612.24, 1,221,927.32 and 245,998.16 is: 368,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,612.24 : 1,221,927.32 = 245,998.16 : x
  2. Step 2: Convert to fraction form
    814,612.24/1,221,927.32 = 245,998.16/x
  3. Step 3: Cross multiply
    814,612.24x = 1,221,927.32 × 245,998.16
  4. Step 4: Simplify right side
    814,612.24x = 300,591,878,334.66
  5. Step 5: Solve for x
    x = 300,591,878,334.66/814,612.24
  6. Step 6: Final answer
    x = 368,999.95

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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.