Home / 861,049.58-1,291,595.63-411,817.91

Finding the Fourth Proportional to 861,049.58, 1,291,595.63 and 411,817.91

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Solution

The fourth proportional to 861,049.58, 1,291,595.63 and 411,817.91 is: 617,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,049.58 : 1,291,595.63 = 411,817.91 : x
  2. Step 2: Convert to fraction form
    861,049.58/1,291,595.63 = 411,817.91/x
  3. Step 3: Cross multiply
    861,049.58x = 1,291,595.63 × 411,817.91
  4. Step 4: Simplify right side
    861,049.58x = 531,902,204,394.67
  5. Step 5: Solve for x
    x = 531,902,204,394.67/861,049.58
  6. Step 6: Final answer
    x = 617,737.03

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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.