Home / 892,372.16-1,231,474.65-484,474.40

Finding the Fourth Proportional to 892,372.16, 1,231,474.65 and 484,474.40

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Solution

The fourth proportional to 892,372.16, 1,231,474.65 and 484,474.40 is: 668,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,372.16 : 1,231,474.65 = 484,474.40 : x
  2. Step 2: Convert to fraction form
    892,372.16/1,231,474.65 = 484,474.40/x
  3. Step 3: Cross multiply
    892,372.16x = 1,231,474.65 × 484,474.40
  4. Step 4: Simplify right side
    892,372.16x = 596,617,942,173.96
  5. Step 5: Solve for x
    x = 596,617,942,173.96/892,372.16
  6. Step 6: Final answer
    x = 668,575.25

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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.