Home / 916,662.80-1,265,227.19-626,391.86

Finding the Fourth Proportional to 916,662.80, 1,265,227.19 and 626,391.86

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Solution

The fourth proportional to 916,662.80, 1,265,227.19 and 626,391.86 is: 864,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,662.80 : 1,265,227.19 = 626,391.86 : x
  2. Step 2: Convert to fraction form
    916,662.80/1,265,227.19 = 626,391.86/x
  3. Step 3: Cross multiply
    916,662.80x = 1,265,227.19 × 626,391.86
  4. Step 4: Simplify right side
    916,662.80x = 792,528,003,408.58
  5. Step 5: Solve for x
    x = 792,528,003,408.58/916,662.80
  6. Step 6: Final answer
    x = 864,579.66

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1.5x scale

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.