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Finding the Fourth Proportional to 1,801,994.95, 2,486,754 and 986,198.16

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Solution

The fourth proportional to 1,801,994.95, 2,486,754 and 986,198.16 is: 1,360,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,994.95 : 2,486,754 = 986,198.16 : x
  2. Step 2: Convert to fraction form
    1,801,994.95/2,486,754 = 986,198.16/x
  3. Step 3: Cross multiply
    1,801,994.95x = 2,486,754 × 986,198.16
  4. Step 4: Simplify right side
    1,801,994.95x = 2,452,432,219,172.64
  5. Step 5: Solve for x
    x = 2,452,432,219,172.64/1,801,994.95
  6. Step 6: Final answer
    x = 1,360,953.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.