Home / 512,651.28-769,050.45-157,695.24

Finding the Fourth Proportional to 512,651.28, 769,050.45 and 157,695.24

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Solution

The fourth proportional to 512,651.28, 769,050.45 and 157,695.24 is: 236,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,651.28 : 769,050.45 = 157,695.24 : x
  2. Step 2: Convert to fraction form
    512,651.28/769,050.45 = 157,695.24/x
  3. Step 3: Cross multiply
    512,651.28x = 769,050.45 × 157,695.24
  4. Step 4: Simplify right side
    512,651.28x = 121,275,595,284.86
  5. Step 5: Solve for x
    x = 121,275,595,284.86/512,651.28
  6. Step 6: Final answer
    x = 236,565.48

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1.5x scale

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.