Home / 389,325.87-537,232.37-236,447.73

Finding the Fourth Proportional to 389,325.87, 537,232.37 and 236,447.73

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Solution

The fourth proportional to 389,325.87, 537,232.37 and 236,447.73 is: 326,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,325.87 : 537,232.37 = 236,447.73 : x
  2. Step 2: Convert to fraction form
    389,325.87/537,232.37 = 236,447.73/x
  3. Step 3: Cross multiply
    389,325.87x = 537,232.37 × 236,447.73
  4. Step 4: Simplify right side
    389,325.87x = 127,027,373,186.78
  5. Step 5: Solve for x
    x = 127,027,373,186.78/389,325.87
  6. Step 6: Final answer
    x = 326,275.19

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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.