Home / 1,200,997.95-1,800,479.52-526,568.16

Finding the Fourth Proportional to 1,200,997.95, 1,800,479.52 and 526,568.16

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Solution

The fourth proportional to 1,200,997.95, 1,800,479.52 and 526,568.16 is: 789,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,997.95 : 1,800,479.52 = 526,568.16 : x
  2. Step 2: Convert to fraction form
    1,200,997.95/1,800,479.52 = 526,568.16/x
  3. Step 3: Cross multiply
    1,200,997.95x = 1,800,479.52 × 526,568.16
  4. Step 4: Simplify right side
    1,200,997.95x = 948,075,187,964.08
  5. Step 5: Solve for x
    x = 948,075,187,964.08/1,200,997.95
  6. Step 6: Final answer
    x = 789,406.17

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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.