Home / 1,228,414.32-1,695,263.76-684,550.32

Finding the Fourth Proportional to 1,228,414.32, 1,695,263.76 and 684,550.32

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Solution

The fourth proportional to 1,228,414.32, 1,695,263.76 and 684,550.32 is: 944,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,414.32 : 1,695,263.76 = 684,550.32 : x
  2. Step 2: Convert to fraction form
    1,228,414.32/1,695,263.76 = 684,550.32/x
  3. Step 3: Cross multiply
    1,228,414.32x = 1,695,263.76 × 684,550.32
  4. Step 4: Simplify right side
    1,228,414.32x = 1,160,493,349,392.40
  5. Step 5: Solve for x
    x = 1,160,493,349,392.40/1,228,414.32
  6. Step 6: Final answer
    x = 944,708.42

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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.