Home / 644,220.07-966,170.39-217,746.41

Finding the Fourth Proportional to 644,220.07, 966,170.39 and 217,746.41

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Solution

The fourth proportional to 644,220.07, 966,170.39 and 217,746.41 is: 326,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,220.07 : 966,170.39 = 217,746.41 : x
  2. Step 2: Convert to fraction form
    644,220.07/966,170.39 = 217,746.41/x
  3. Step 3: Cross multiply
    644,220.07x = 966,170.39 × 217,746.41
  4. Step 4: Simplify right side
    644,220.07x = 210,380,127,951.22
  5. Step 5: Solve for x
    x = 210,380,127,951.22/644,220.07
  6. Step 6: Final answer
    x = 326,565.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.