Home / 406,927.34-561,566.48-225,646.91

Finding the Fourth Proportional to 406,927.34, 561,566.48 and 225,646.91

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Solution

The fourth proportional to 406,927.34, 561,566.48 and 225,646.91 is: 311,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,927.34 : 561,566.48 = 225,646.91 : x
  2. Step 2: Convert to fraction form
    406,927.34/561,566.48 = 225,646.91/x
  3. Step 3: Cross multiply
    406,927.34x = 561,566.48 × 225,646.91
  4. Step 4: Simplify right side
    406,927.34x = 126,715,740,971.58
  5. Step 5: Solve for x
    x = 126,715,740,971.58/406,927.34
  6. Step 6: Final answer
    x = 311,396.48

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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.