Home / 406,526.58-609,464.25-193,187.43

Finding the Fourth Proportional to 406,526.58, 609,464.25 and 193,187.43

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Solution

The fourth proportional to 406,526.58, 609,464.25 and 193,187.43 is: 289,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,526.58 : 609,464.25 = 193,187.43 : x
  2. Step 2: Convert to fraction form
    406,526.58/609,464.25 = 193,187.43/x
  3. Step 3: Cross multiply
    406,526.58x = 609,464.25 × 193,187.43
  4. Step 4: Simplify right side
    406,526.58x = 117,740,832,134.38
  5. Step 5: Solve for x
    x = 117,740,832,134.38/406,526.58
  6. Step 6: Final answer
    x = 289,626.41

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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.