Home / 799,208.50-1,198,812.75-208,232.50

Finding the Fourth Proportional to 799,208.50, 1,198,812.75 and 208,232.50

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Solution

The fourth proportional to 799,208.50, 1,198,812.75 and 208,232.50 is: 312,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,208.50 : 1,198,812.75 = 208,232.50 : x
  2. Step 2: Convert to fraction form
    799,208.50/1,198,812.75 = 208,232.50/x
  3. Step 3: Cross multiply
    799,208.50x = 1,198,812.75 × 208,232.50
  4. Step 4: Simplify right side
    799,208.50x = 249,631,775,964.38
  5. Step 5: Solve for x
    x = 249,631,775,964.38/799,208.50
  6. Step 6: Final answer
    x = 312,348.75

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Double scale
Find fourth proportional to 799,209.50, 1,198,814.25 and 208,233.50
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.