Home / 406,554.39-609,044.27-196,339.95

Finding the Fourth Proportional to 406,554.39, 609,044.27 and 196,339.95

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Solution

The fourth proportional to 406,554.39, 609,044.27 and 196,339.95 is: 294,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,554.39 : 609,044.27 = 196,339.95 : x
  2. Step 2: Convert to fraction form
    406,554.39/609,044.27 = 196,339.95/x
  3. Step 3: Cross multiply
    406,554.39x = 609,044.27 × 196,339.95
  4. Step 4: Simplify right side
    406,554.39x = 119,579,720,537.89
  5. Step 5: Solve for x
    x = 119,579,720,537.89/406,554.39
  6. Step 6: Final answer
    x = 294,129.70

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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.