Home / 1,231,662-1,699,595.58-687,765.33

Finding the Fourth Proportional to 1,231,662, 1,699,595.58 and 687,765.33

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Solution

The fourth proportional to 1,231,662, 1,699,595.58 and 687,765.33 is: 949,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,662 : 1,699,595.58 = 687,765.33 : x
  2. Step 2: Convert to fraction form
    1,231,662/1,699,595.58 = 687,765.33/x
  3. Step 3: Cross multiply
    1,231,662x = 1,699,595.58 × 687,765.33
  4. Step 4: Simplify right side
    1,231,662x = 1,168,922,914,945.24
  5. Step 5: Solve for x
    x = 1,168,922,914,945.24/1,231,662
  6. Step 6: Final answer
    x = 949,061.44

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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.