Home / 892,138.95-1,231,118.62-484,232.01

Finding the Fourth Proportional to 892,138.95, 1,231,118.62 and 484,232.01

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Solution

The fourth proportional to 892,138.95, 1,231,118.62 and 484,232.01 is: 668,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,138.95 : 1,231,118.62 = 484,232.01 : x
  2. Step 2: Convert to fraction form
    892,138.95/1,231,118.62 = 484,232.01/x
  3. Step 3: Cross multiply
    892,138.95x = 1,231,118.62 × 484,232.01
  4. Step 4: Simplify right side
    892,138.95x = 596,147,047,317.14
  5. Step 5: Solve for x
    x = 596,147,047,317.14/892,138.95
  6. Step 6: Final answer
    x = 668,222.20

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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.