Home / 1,942,084.50-2,913,126.75-612,388.50

Finding the Fourth Proportional to 1,942,084.50, 2,913,126.75 and 612,388.50

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Solution

The fourth proportional to 1,942,084.50, 2,913,126.75 and 612,388.50 is: 918,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,084.50 : 2,913,126.75 = 612,388.50 : x
  2. Step 2: Convert to fraction form
    1,942,084.50/2,913,126.75 = 612,388.50/x
  3. Step 3: Cross multiply
    1,942,084.50x = 2,913,126.75 × 612,388.50
  4. Step 4: Simplify right side
    1,942,084.50x = 1,783,965,320,742.38
  5. Step 5: Solve for x
    x = 1,783,965,320,742.38/1,942,084.50
  6. Step 6: Final answer
    x = 918,582.75

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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.