Home / 834,896.89-1,151,446.50-641,772.06

Finding the Fourth Proportional to 834,896.89, 1,151,446.50 and 641,772.06

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Solution

The fourth proportional to 834,896.89, 1,151,446.50 and 641,772.06 is: 885,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,896.89 : 1,151,446.50 = 641,772.06 : x
  2. Step 2: Convert to fraction form
    834,896.89/1,151,446.50 = 641,772.06/x
  3. Step 3: Cross multiply
    834,896.89x = 1,151,446.50 × 641,772.06
  4. Step 4: Simplify right side
    834,896.89x = 738,966,183,318.70
  5. Step 5: Solve for x
    x = 738,966,183,318.70/834,896.89
  6. Step 6: Final answer
    x = 885,098.74

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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.