Home / 945,504.20-1,418,450.70-314,870.60

Finding the Fourth Proportional to 945,504.20, 1,418,450.70 and 314,870.60

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Solution

The fourth proportional to 945,504.20, 1,418,450.70 and 314,870.60 is: 472,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,504.20 : 1,418,450.70 = 314,870.60 : x
  2. Step 2: Convert to fraction form
    945,504.20/1,418,450.70 = 314,870.60/x
  3. Step 3: Cross multiply
    945,504.20x = 1,418,450.70 × 314,870.60
  4. Step 4: Simplify right side
    945,504.20x = 446,628,422,979.42
  5. Step 5: Solve for x
    x = 446,628,422,979.42/945,504.20
  6. Step 6: Final answer
    x = 472,370.64

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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.