Home / 484,431.24-668,136.42-314,720.04

Finding the Fourth Proportional to 484,431.24, 668,136.42 and 314,720.04

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Solution

The fourth proportional to 484,431.24, 668,136.42 and 314,720.04 is: 434,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,431.24 : 668,136.42 = 314,720.04 : x
  2. Step 2: Convert to fraction form
    484,431.24/668,136.42 = 314,720.04/x
  3. Step 3: Cross multiply
    484,431.24x = 668,136.42 × 314,720.04
  4. Step 4: Simplify right side
    484,431.24x = 210,275,920,827.86
  5. Step 5: Solve for x
    x = 210,275,920,827.86/484,431.24
  6. Step 6: Final answer
    x = 434,067.63

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1.5x scale

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.