Home / 3,947,812.20-5,921,718.30-955,996.20

Finding the Fourth Proportional to 3,947,812.20, 5,921,718.30 and 955,996.20

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Solution

The fourth proportional to 3,947,812.20, 5,921,718.30 and 955,996.20 is: 1,433,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,812.20 : 5,921,718.30 = 955,996.20 : x
  2. Step 2: Convert to fraction form
    3,947,812.20/5,921,718.30 = 955,996.20/x
  3. Step 3: Cross multiply
    3,947,812.20x = 5,921,718.30 × 955,996.20
  4. Step 4: Simplify right side
    3,947,812.20x = 5,661,140,192,270.46
  5. Step 5: Solve for x
    x = 5,661,140,192,270.46/3,947,812.20
  6. Step 6: Final answer
    x = 1,433,994.30

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Double scale
Find fourth proportional to 3,947,813.20, 5,921,719.80 and 955,997.20
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.