Home / 948,540.92-1,422,813.81-387,575.42

Finding the Fourth Proportional to 948,540.92, 1,422,813.81 and 387,575.42

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Solution

The fourth proportional to 948,540.92, 1,422,813.81 and 387,575.42 is: 581,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,540.92 : 1,422,813.81 = 387,575.42 : x
  2. Step 2: Convert to fraction form
    948,540.92/1,422,813.81 = 387,575.42/x
  3. Step 3: Cross multiply
    948,540.92x = 1,422,813.81 × 387,575.42
  4. Step 4: Simplify right side
    948,540.92x = 551,447,652,878.48
  5. Step 5: Solve for x
    x = 551,447,652,878.48/948,540.92
  6. Step 6: Final answer
    x = 581,364.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.