Home / 832,687.06-1,247,138.83-651,644.21

Finding the Fourth Proportional to 832,687.06, 1,247,138.83 and 651,644.21

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Solution

The fourth proportional to 832,687.06, 1,247,138.83 and 651,644.21 is: 975,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,687.06 : 1,247,138.83 = 651,644.21 : x
  2. Step 2: Convert to fraction form
    832,687.06/1,247,138.83 = 651,644.21/x
  3. Step 3: Cross multiply
    832,687.06x = 1,247,138.83 × 651,644.21
  4. Step 4: Simplify right side
    832,687.06x = 812,690,794,552.92
  5. Step 5: Solve for x
    x = 812,690,794,552.92/832,687.06
  6. Step 6: Final answer
    x = 975,985.86

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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.