Home / 406,556.40-609,047.26-196,341.96

Finding the Fourth Proportional to 406,556.40, 609,047.26 and 196,341.96

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Solution

The fourth proportional to 406,556.40, 609,047.26 and 196,341.96 is: 294,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,556.40 : 609,047.26 = 196,341.96 : x
  2. Step 2: Convert to fraction form
    406,556.40/609,047.26 = 196,341.96/x
  3. Step 3: Cross multiply
    406,556.40x = 609,047.26 × 196,341.96
  4. Step 4: Simplify right side
    406,556.40x = 119,581,532,761.03
  5. Step 5: Solve for x
    x = 119,581,532,761.03/406,556.40
  6. Step 6: Final answer
    x = 294,132.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.