Home / 389,260.97-537,196.07-245,968.73

Finding the Fourth Proportional to 389,260.97, 537,196.07 and 245,968.73

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Solution

The fourth proportional to 389,260.97, 537,196.07 and 245,968.73 is: 339,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,260.97 : 537,196.07 = 245,968.73 : x
  2. Step 2: Convert to fraction form
    389,260.97/537,196.07 = 245,968.73/x
  3. Step 3: Cross multiply
    389,260.97x = 537,196.07 × 245,968.73
  4. Step 4: Simplify right side
    389,260.97x = 132,133,435,098.89
  5. Step 5: Solve for x
    x = 132,133,435,098.89/389,260.97
  6. Step 6: Final answer
    x = 339,446.91

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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.