Home / 697,051.20-1,044,194.40-415,732.80

Finding the Fourth Proportional to 697,051.20, 1,044,194.40 and 415,732.80

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Solution

The fourth proportional to 697,051.20, 1,044,194.40 and 415,732.80 is: 622,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,051.20 : 1,044,194.40 = 415,732.80 : x
  2. Step 2: Convert to fraction form
    697,051.20/1,044,194.40 = 415,732.80/x
  3. Step 3: Cross multiply
    697,051.20x = 1,044,194.40 × 415,732.80
  4. Step 4: Simplify right side
    697,051.20x = 434,105,861,656.32
  5. Step 5: Solve for x
    x = 434,105,861,656.32/697,051.20
  6. Step 6: Final answer
    x = 622,774.71

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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.