Home / 1,297,217.08-1,945,929.30-455,957.56

Finding the Fourth Proportional to 1,297,217.08, 1,945,929.30 and 455,957.56

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Solution

The fourth proportional to 1,297,217.08, 1,945,929.30 and 455,957.56 is: 683,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,217.08 : 1,945,929.30 = 455,957.56 : x
  2. Step 2: Convert to fraction form
    1,297,217.08/1,945,929.30 = 455,957.56/x
  3. Step 3: Cross multiply
    1,297,217.08x = 1,945,929.30 × 455,957.56
  4. Step 4: Simplify right side
    1,297,217.08x = 887,261,175,560.51
  5. Step 5: Solve for x
    x = 887,261,175,560.51/1,297,217.08
  6. Step 6: Final answer
    x = 683,972.78

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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.