Home / 1,103,583.72-1,654,710.30-719,617.80

Finding the Fourth Proportional to 1,103,583.72, 1,654,710.30 and 719,617.80

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Solution

The fourth proportional to 1,103,583.72, 1,654,710.30 and 719,617.80 is: 1,078,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,583.72 : 1,654,710.30 = 719,617.80 : x
  2. Step 2: Convert to fraction form
    1,103,583.72/1,654,710.30 = 719,617.80/x
  3. Step 3: Cross multiply
    1,103,583.72x = 1,654,710.30 × 719,617.80
  4. Step 4: Simplify right side
    1,103,583.72x = 1,190,758,985,723.34
  5. Step 5: Solve for x
    x = 1,190,758,985,723.34/1,103,583.72
  6. Step 6: Final answer
    x = 1,078,992.89

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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.