Home / 389,263.17-537,183.27-219,497.34

Finding the Fourth Proportional to 389,263.17, 537,183.27 and 219,497.34

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Solution

The fourth proportional to 389,263.17, 537,183.27 and 219,497.34 is: 302,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,263.17 : 537,183.27 = 219,497.34 : x
  2. Step 2: Convert to fraction form
    389,263.17/537,183.27 = 219,497.34/x
  3. Step 3: Cross multiply
    389,263.17x = 537,183.27 × 219,497.34
  4. Step 4: Simplify right side
    389,263.17x = 117,910,298,857.50
  5. Step 5: Solve for x
    x = 117,910,298,857.50/389,263.17
  6. Step 6: Final answer
    x = 302,906.38

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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.