Home / 389,584.32-537,626.56-210,736.32

Finding the Fourth Proportional to 389,584.32, 537,626.56 and 210,736.32

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Solution

The fourth proportional to 389,584.32, 537,626.56 and 210,736.32 is: 290,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,584.32 : 537,626.56 = 210,736.32 : x
  2. Step 2: Convert to fraction form
    389,584.32/537,626.56 = 210,736.32/x
  3. Step 3: Cross multiply
    389,584.32x = 537,626.56 × 210,736.32
  4. Step 4: Simplify right side
    389,584.32x = 113,297,442,788.66
  5. Step 5: Solve for x
    x = 113,297,442,788.66/389,584.32
  6. Step 6: Final answer
    x = 290,816.23

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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.