Home / 912,488.12-1,259,241.75-504,617.41

Finding the Fourth Proportional to 912,488.12, 1,259,241.75 and 504,617.41

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Solution

The fourth proportional to 912,488.12, 1,259,241.75 and 504,617.41 is: 696,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,488.12 : 1,259,241.75 = 504,617.41 : x
  2. Step 2: Convert to fraction form
    912,488.12/1,259,241.75 = 504,617.41/x
  3. Step 3: Cross multiply
    912,488.12x = 1,259,241.75 × 504,617.41
  4. Step 4: Simplify right side
    912,488.12x = 635,435,310,448.87
  5. Step 5: Solve for x
    x = 635,435,310,448.87/912,488.12
  6. Step 6: Final answer
    x = 696,376.53

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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.