Home / 406,663.13-609,166.37-192,782.77

Finding the Fourth Proportional to 406,663.13, 609,166.37 and 192,782.77

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Solution

The fourth proportional to 406,663.13, 609,166.37 and 192,782.77 is: 288,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,663.13 : 609,166.37 = 192,782.77 : x
  2. Step 2: Convert to fraction form
    406,663.13/609,166.37 = 192,782.77/x
  3. Step 3: Cross multiply
    406,663.13x = 609,166.37 × 192,782.77
  4. Step 4: Simplify right side
    406,663.13x = 117,436,779,158.49
  5. Step 5: Solve for x
    x = 117,436,779,158.49/406,663.13
  6. Step 6: Final answer
    x = 288,781.47

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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.