Home / 406,493.16-609,771.32-122,161.52

Finding the Fourth Proportional to 406,493.16, 609,771.32 and 122,161.52

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Solution

The fourth proportional to 406,493.16, 609,771.32 and 122,161.52 is: 183,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,493.16 : 609,771.32 = 122,161.52 : x
  2. Step 2: Convert to fraction form
    406,493.16/609,771.32 = 122,161.52/x
  3. Step 3: Cross multiply
    406,493.16x = 609,771.32 × 122,161.52
  4. Step 4: Simplify right side
    406,493.16x = 74,490,591,303.61
  5. Step 5: Solve for x
    x = 74,490,591,303.61/406,493.16
  6. Step 6: Final answer
    x = 183,251.77

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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.