Home / 389,271.32-537,193.67-217,179.04

Finding the Fourth Proportional to 389,271.32, 537,193.67 and 217,179.04

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Solution

The fourth proportional to 389,271.32, 537,193.67 and 217,179.04 is: 299,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,271.32 : 537,193.67 = 217,179.04 : x
  2. Step 2: Convert to fraction form
    389,271.32/537,193.67 = 217,179.04/x
  3. Step 3: Cross multiply
    389,271.32x = 537,193.67 × 217,179.04
  4. Step 4: Simplify right side
    389,271.32x = 116,667,208,527.18
  5. Step 5: Solve for x
    x = 116,667,208,527.18/389,271.32
  6. Step 6: Final answer
    x = 299,706.66

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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.