Home / 413,569.62-570,942.87-278,314.74

Finding the Fourth Proportional to 413,569.62, 570,942.87 and 278,314.74

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Solution

The fourth proportional to 413,569.62, 570,942.87 and 278,314.74 is: 384,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,569.62 : 570,942.87 = 278,314.74 : x
  2. Step 2: Convert to fraction form
    413,569.62/570,942.87 = 278,314.74/x
  3. Step 3: Cross multiply
    413,569.62x = 570,942.87 × 278,314.74
  4. Step 4: Simplify right side
    413,569.62x = 158,901,816,418.90
  5. Step 5: Solve for x
    x = 158,901,816,418.90/413,569.62
  6. Step 6: Final answer
    x = 384,220.23

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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.