Home / 2,145,152.30-3,217,755.51-628,865.71

Finding the Fourth Proportional to 2,145,152.30, 3,217,755.51 and 628,865.71

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Solution

The fourth proportional to 2,145,152.30, 3,217,755.51 and 628,865.71 is: 943,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,152.30 : 3,217,755.51 = 628,865.71 : x
  2. Step 2: Convert to fraction form
    2,145,152.30/3,217,755.51 = 628,865.71/x
  3. Step 3: Cross multiply
    2,145,152.30x = 3,217,755.51 × 628,865.71
  4. Step 4: Simplify right side
    2,145,152.30x = 2,023,536,095,358.17
  5. Step 5: Solve for x
    x = 2,023,536,095,358.17/2,145,152.30
  6. Step 6: Final answer
    x = 943,306.50

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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.