Home / 756,249.75-1,043,646.93-416,739.87

Finding the Fourth Proportional to 756,249.75, 1,043,646.93 and 416,739.87

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Solution

The fourth proportional to 756,249.75, 1,043,646.93 and 416,739.87 is: 575,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,249.75 : 1,043,646.93 = 416,739.87 : x
  2. Step 2: Convert to fraction form
    756,249.75/1,043,646.93 = 416,739.87/x
  3. Step 3: Cross multiply
    756,249.75x = 1,043,646.93 × 416,739.87
  4. Step 4: Simplify right side
    756,249.75x = 434,929,285,934.10
  5. Step 5: Solve for x
    x = 434,929,285,934.10/756,249.75
  6. Step 6: Final answer
    x = 575,113.30

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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.