Home / 966,411.70-1,449,617.55-831,109.30

Finding the Fourth Proportional to 966,411.70, 1,449,617.55 and 831,109.30

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Solution

The fourth proportional to 966,411.70, 1,449,617.55 and 831,109.30 is: 1,246,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,411.70 : 1,449,617.55 = 831,109.30 : x
  2. Step 2: Convert to fraction form
    966,411.70/1,449,617.55 = 831,109.30/x
  3. Step 3: Cross multiply
    966,411.70x = 1,449,617.55 × 831,109.30
  4. Step 4: Simplify right side
    966,411.70x = 1,204,790,627,248.22
  5. Step 5: Solve for x
    x = 1,204,790,627,248.22/966,411.70
  6. Step 6: Final answer
    x = 1,246,663.95

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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.