Home / 406,530.50-561,012.10-227,682.50

Finding the Fourth Proportional to 406,530.50, 561,012.10 and 227,682.50

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Solution

The fourth proportional to 406,530.50, 561,012.10 and 227,682.50 is: 314,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,530.50 : 561,012.10 = 227,682.50 : x
  2. Step 2: Convert to fraction form
    406,530.50/561,012.10 = 227,682.50/x
  3. Step 3: Cross multiply
    406,530.50x = 561,012.10 × 227,682.50
  4. Step 4: Simplify right side
    406,530.50x = 127,732,637,458.25
  5. Step 5: Solve for x
    x = 127,732,637,458.25/406,530.50
  6. Step 6: Final answer
    x = 314,201.86

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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.