Home / 916,664.28-1,265,229.24-626,393.34

Finding the Fourth Proportional to 916,664.28, 1,265,229.24 and 626,393.34

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Solution

The fourth proportional to 916,664.28, 1,265,229.24 and 626,393.34 is: 864,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,664.28 : 1,265,229.24 = 626,393.34 : x
  2. Step 2: Convert to fraction form
    916,664.28/1,265,229.24 = 626,393.34/x
  3. Step 3: Cross multiply
    916,664.28x = 1,265,229.24 × 626,393.34
  4. Step 4: Simplify right side
    916,664.28x = 792,531,169,509.26
  5. Step 5: Solve for x
    x = 792,531,169,509.26/916,664.28
  6. Step 6: Final answer
    x = 864,581.71

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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.