Home / 1,511,989.35-2,086,544.38-832,925.85

Finding the Fourth Proportional to 1,511,989.35, 2,086,544.38 and 832,925.85

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Solution

The fourth proportional to 1,511,989.35, 2,086,544.38 and 832,925.85 is: 1,149,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,989.35 : 2,086,544.38 = 832,925.85 : x
  2. Step 2: Convert to fraction form
    1,511,989.35/2,086,544.38 = 832,925.85/x
  3. Step 3: Cross multiply
    1,511,989.35x = 2,086,544.38 × 832,925.85
  4. Step 4: Simplify right side
    1,511,989.35x = 1,737,936,740,841.50
  5. Step 5: Solve for x
    x = 1,737,936,740,841.50/1,511,989.35
  6. Step 6: Final answer
    x = 1,149,437.16

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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.