Home / 389,261.97-537,197.45-245,969.73

Finding the Fourth Proportional to 389,261.97, 537,197.45 and 245,969.73

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Solution

The fourth proportional to 389,261.97, 537,197.45 and 245,969.73 is: 339,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,261.97 : 537,197.45 = 245,969.73 : x
  2. Step 2: Convert to fraction form
    389,261.97/537,197.45 = 245,969.73/x
  3. Step 3: Cross multiply
    389,261.97x = 537,197.45 × 245,969.73
  4. Step 4: Simplify right side
    389,261.97x = 132,134,311,733.19
  5. Step 5: Solve for x
    x = 132,134,311,733.19/389,261.97
  6. Step 6: Final answer
    x = 339,448.29

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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.