Home / 389,259.97-537,194.69-245,967.73

Finding the Fourth Proportional to 389,259.97, 537,194.69 and 245,967.73

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Solution

The fourth proportional to 389,259.97, 537,194.69 and 245,967.73 is: 339,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,259.97 : 537,194.69 = 245,967.73 : x
  2. Step 2: Convert to fraction form
    389,259.97/537,194.69 = 245,967.73/x
  3. Step 3: Cross multiply
    389,259.97x = 537,194.69 × 245,967.73
  4. Step 4: Simplify right side
    389,259.97x = 132,132,558,467.35
  5. Step 5: Solve for x
    x = 132,132,558,467.35/389,259.97
  6. Step 6: Final answer
    x = 339,445.53

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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.