Home / 389,257.97-537,191.93-245,965.73

Finding the Fourth Proportional to 389,257.97, 537,191.93 and 245,965.73

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Solution

The fourth proportional to 389,257.97, 537,191.93 and 245,965.73 is: 339,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,257.97 : 537,191.93 = 245,965.73 : x
  2. Step 2: Convert to fraction form
    389,257.97/537,191.93 = 245,965.73/x
  3. Step 3: Cross multiply
    389,257.97x = 537,191.93 × 245,965.73
  4. Step 4: Simplify right side
    389,257.97x = 132,130,803,141.51
  5. Step 5: Solve for x
    x = 132,130,803,141.51/389,257.97
  6. Step 6: Final answer
    x = 339,442.77

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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.