Home / 1,228,592.88-1,695,596.04-684,778.32

Finding the Fourth Proportional to 1,228,592.88, 1,695,596.04 and 684,778.32

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Solution

The fourth proportional to 1,228,592.88, 1,695,596.04 and 684,778.32 is: 945,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,592.88 : 1,695,596.04 = 684,778.32 : x
  2. Step 2: Convert to fraction form
    1,228,592.88/1,695,596.04 = 684,778.32/x
  3. Step 3: Cross multiply
    1,228,592.88x = 1,695,596.04 × 684,778.32
  4. Step 4: Simplify right side
    1,228,592.88x = 1,161,107,407,669.85
  5. Step 5: Solve for x
    x = 1,161,107,407,669.85/1,228,592.88
  6. Step 6: Final answer
    x = 945,070.92

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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.