Home / 916,664.80-1,265,229.94-626,393.86

Finding the Fourth Proportional to 916,664.80, 1,265,229.94 and 626,393.86

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Solution

The fourth proportional to 916,664.80, 1,265,229.94 and 626,393.86 is: 864,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,664.80 : 1,265,229.94 = 626,393.86 : x
  2. Step 2: Convert to fraction form
    916,664.80/1,265,229.94 = 626,393.86/x
  3. Step 3: Cross multiply
    916,664.80x = 1,265,229.94 × 626,393.86
  4. Step 4: Simplify right side
    916,664.80x = 792,532,265,904.17
  5. Step 5: Solve for x
    x = 792,532,265,904.17/916,664.80
  6. Step 6: Final answer
    x = 864,582.41

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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.