Home / 406,828.78-561,883.31-277,545.27

Finding the Fourth Proportional to 406,828.78, 561,883.31 and 277,545.27

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Solution

The fourth proportional to 406,828.78, 561,883.31 and 277,545.27 is: 383,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,828.78 : 561,883.31 = 277,545.27 : x
  2. Step 2: Convert to fraction form
    406,828.78/561,883.31 = 277,545.27/x
  3. Step 3: Cross multiply
    406,828.78x = 561,883.31 × 277,545.27
  4. Step 4: Simplify right side
    406,828.78x = 155,948,054,982.44
  5. Step 5: Solve for x
    x = 155,948,054,982.44/406,828.78
  6. Step 6: Final answer
    x = 383,326.01

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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.