Home / 1,228,288.59-1,695,021.12-684,447.30

Finding the Fourth Proportional to 1,228,288.59, 1,695,021.12 and 684,447.30

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Solution

The fourth proportional to 1,228,288.59, 1,695,021.12 and 684,447.30 is: 944,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,288.59 : 1,695,021.12 = 684,447.30 : x
  2. Step 2: Convert to fraction form
    1,228,288.59/1,695,021.12 = 684,447.30/x
  3. Step 3: Cross multiply
    1,228,288.59x = 1,695,021.12 × 684,447.30
  4. Step 4: Simplify right side
    1,228,288.59x = 1,160,152,629,026.98
  5. Step 5: Solve for x
    x = 1,160,152,629,026.98/1,228,288.59
  6. Step 6: Final answer
    x = 944,527.73

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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.