Home / 1,818,381-2,727,680.88-556,219.56

Finding the Fourth Proportional to 1,818,381, 2,727,680.88 and 556,219.56

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Solution

The fourth proportional to 1,818,381, 2,727,680.88 and 556,219.56 is: 834,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,381 : 2,727,680.88 = 556,219.56 : x
  2. Step 2: Convert to fraction form
    1,818,381/2,727,680.88 = 556,219.56/x
  3. Step 3: Cross multiply
    1,818,381x = 2,727,680.88 × 556,219.56
  4. Step 4: Simplify right side
    1,818,381x = 1,517,189,458,894.01
  5. Step 5: Solve for x
    x = 1,517,189,458,894.01/1,818,381
  6. Step 6: Final answer
    x = 834,362.80

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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.