Home / 767,175.40-1,059,155.68-682,056.96

Finding the Fourth Proportional to 767,175.40, 1,059,155.68 and 682,056.96

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Solution

The fourth proportional to 767,175.40, 1,059,155.68 and 682,056.96 is: 941,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,175.40 : 1,059,155.68 = 682,056.96 : x
  2. Step 2: Convert to fraction form
    767,175.40/1,059,155.68 = 682,056.96/x
  3. Step 3: Cross multiply
    767,175.40x = 1,059,155.68 × 682,056.96
  4. Step 4: Simplify right side
    767,175.40x = 722,404,503,267.53
  5. Step 5: Solve for x
    x = 722,404,503,267.53/767,175.40
  6. Step 6: Final answer
    x = 941,641.90

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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.