Home / 1,228,309.85-1,695,050.33-684,468.56

Finding the Fourth Proportional to 1,228,309.85, 1,695,050.33 and 684,468.56

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Solution

The fourth proportional to 1,228,309.85, 1,695,050.33 and 684,468.56 is: 944,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,309.85 : 1,695,050.33 = 684,468.56 : x
  2. Step 2: Convert to fraction form
    1,228,309.85/1,695,050.33 = 684,468.56/x
  3. Step 3: Cross multiply
    1,228,309.85x = 1,695,050.33 × 684,468.56
  4. Step 4: Simplify right side
    1,228,309.85x = 1,160,208,646,605.03
  5. Step 5: Solve for x
    x = 1,160,208,646,605.03/1,228,309.85
  6. Step 6: Final answer
    x = 944,556.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.