Home / 1,317,772.92-1,976,691.84-371,137.32

Finding the Fourth Proportional to 1,317,772.92, 1,976,691.84 and 371,137.32

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Solution

The fourth proportional to 1,317,772.92, 1,976,691.84 and 371,137.32 is: 556,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,772.92 : 1,976,691.84 = 371,137.32 : x
  2. Step 2: Convert to fraction form
    1,317,772.92/1,976,691.84 = 371,137.32/x
  3. Step 3: Cross multiply
    1,317,772.92x = 1,976,691.84 × 371,137.32
  4. Step 4: Simplify right side
    1,317,772.92x = 733,624,111,963.47
  5. Step 5: Solve for x
    x = 733,624,111,963.47/1,317,772.92
  6. Step 6: Final answer
    x = 556,715.12

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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.