Home / 406,827.78-561,881.93-277,544.27

Finding the Fourth Proportional to 406,827.78, 561,881.93 and 277,544.27

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Solution

The fourth proportional to 406,827.78, 561,881.93 and 277,544.27 is: 383,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,827.78 : 561,881.93 = 277,544.27 : x
  2. Step 2: Convert to fraction form
    406,827.78/561,881.93 = 277,544.27/x
  3. Step 3: Cross multiply
    406,827.78x = 561,881.93 × 277,544.27
  4. Step 4: Simplify right side
    406,827.78x = 155,947,105,890.91
  5. Step 5: Solve for x
    x = 155,947,105,890.91/406,827.78
  6. Step 6: Final answer
    x = 383,324.62

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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.