Home / 816,746.96-1,128,263.37-654,481.38

Finding the Fourth Proportional to 816,746.96, 1,128,263.37 and 654,481.38

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Solution

The fourth proportional to 816,746.96, 1,128,263.37 and 654,481.38 is: 904,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,746.96 : 1,128,263.37 = 654,481.38 : x
  2. Step 2: Convert to fraction form
    816,746.96/1,128,263.37 = 654,481.38/x
  3. Step 3: Cross multiply
    816,746.96x = 1,128,263.37 × 654,481.38
  4. Step 4: Simplify right side
    816,746.96x = 738,427,367,401.05
  5. Step 5: Solve for x
    x = 738,427,367,401.05/816,746.96
  6. Step 6: Final answer
    x = 904,107.89

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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.