Home / 1,103,693.24-1,655,845.14-439,311.80

Finding the Fourth Proportional to 1,103,693.24, 1,655,845.14 and 439,311.80

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Solution

The fourth proportional to 1,103,693.24, 1,655,845.14 and 439,311.80 is: 659,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,693.24 : 1,655,845.14 = 439,311.80 : x
  2. Step 2: Convert to fraction form
    1,103,693.24/1,655,845.14 = 439,311.80/x
  3. Step 3: Cross multiply
    1,103,693.24x = 1,655,845.14 × 439,311.80
  4. Step 4: Simplify right side
    1,103,693.24x = 727,432,308,974.65
  5. Step 5: Solve for x
    x = 727,432,308,974.65/1,103,693.24
  6. Step 6: Final answer
    x = 659,089.21

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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.