Home / 389,366.11-537,324.21-217,282.24

Finding the Fourth Proportional to 389,366.11, 537,324.21 and 217,282.24

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Solution

The fourth proportional to 389,366.11, 537,324.21 and 217,282.24 is: 299,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,366.11 : 537,324.21 = 217,282.24 : x
  2. Step 2: Convert to fraction form
    389,366.11/537,324.21 = 217,282.24/x
  3. Step 3: Cross multiply
    389,366.11x = 537,324.21 × 217,282.24
  4. Step 4: Simplify right side
    389,366.11x = 116,751,007,955.03
  5. Step 5: Solve for x
    x = 116,751,007,955.03/389,366.11
  6. Step 6: Final answer
    x = 299,848.92

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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.