Home / 734,979.50-1,102,469.25-236,343.50

Finding the Fourth Proportional to 734,979.50, 1,102,469.25 and 236,343.50

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Solution

The fourth proportional to 734,979.50, 1,102,469.25 and 236,343.50 is: 354,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,979.50 : 1,102,469.25 = 236,343.50 : x
  2. Step 2: Convert to fraction form
    734,979.50/1,102,469.25 = 236,343.50/x
  3. Step 3: Cross multiply
    734,979.50x = 1,102,469.25 × 236,343.50
  4. Step 4: Simplify right side
    734,979.50x = 260,561,441,187.38
  5. Step 5: Solve for x
    x = 260,561,441,187.38/734,979.50
  6. Step 6: Final answer
    x = 354,515.25

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Half scale
Find fourth proportional to 1,469,959, 2,204,938.50 and 472,687
Double scale
Find fourth proportional to 734,980.50, 1,102,470.75 and 236,344.50
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.