Home / 822,990.93-1,234,361.64-223,998.75

Finding the Fourth Proportional to 822,990.93, 1,234,361.64 and 223,998.75

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Solution

The fourth proportional to 822,990.93, 1,234,361.64 and 223,998.75 is: 335,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,990.93 : 1,234,361.64 = 223,998.75 : x
  2. Step 2: Convert to fraction form
    822,990.93/1,234,361.64 = 223,998.75/x
  3. Step 3: Cross multiply
    822,990.93x = 1,234,361.64 × 223,998.75
  4. Step 4: Simplify right side
    822,990.93x = 276,495,464,407.95
  5. Step 5: Solve for x
    x = 276,495,464,407.95/822,990.93
  6. Step 6: Final answer
    x = 335,964.17

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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.