Home / 406,372.02-609,615.18-169,660.86

Finding the Fourth Proportional to 406,372.02, 609,615.18 and 169,660.86

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Solution

The fourth proportional to 406,372.02, 609,615.18 and 169,660.86 is: 254,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,372.02 : 609,615.18 = 169,660.86 : x
  2. Step 2: Convert to fraction form
    406,372.02/609,615.18 = 169,660.86/x
  3. Step 3: Cross multiply
    406,372.02x = 609,615.18 × 169,660.86
  4. Step 4: Simplify right side
    406,372.02x = 103,427,835,707.86
  5. Step 5: Solve for x
    x = 103,427,835,707.86/406,372.02
  6. Step 6: Final answer
    x = 254,515.15

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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.