Home / 939,816.30-1,409,724.45-229,851.30

Finding the Fourth Proportional to 939,816.30, 1,409,724.45 and 229,851.30

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Solution

The fourth proportional to 939,816.30, 1,409,724.45 and 229,851.30 is: 344,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,816.30 : 1,409,724.45 = 229,851.30 : x
  2. Step 2: Convert to fraction form
    939,816.30/1,409,724.45 = 229,851.30/x
  3. Step 3: Cross multiply
    939,816.30x = 1,409,724.45 × 229,851.30
  4. Step 4: Simplify right side
    939,816.30x = 324,026,997,474.29
  5. Step 5: Solve for x
    x = 324,026,997,474.29/939,816.30
  6. Step 6: Final answer
    x = 344,776.95

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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.