Home / 1,057,709.80-1,584,231.90-636,250.60

Finding the Fourth Proportional to 1,057,709.80, 1,584,231.90 and 636,250.60

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Solution

The fourth proportional to 1,057,709.80, 1,584,231.90 and 636,250.60 is: 952,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,709.80 : 1,584,231.90 = 636,250.60 : x
  2. Step 2: Convert to fraction form
    1,057,709.80/1,584,231.90 = 636,250.60/x
  3. Step 3: Cross multiply
    1,057,709.80x = 1,584,231.90 × 636,250.60
  4. Step 4: Simplify right side
    1,057,709.80x = 1,007,968,496,914.14
  5. Step 5: Solve for x
    x = 1,007,968,496,914.14/1,057,709.80
  6. Step 6: Final answer
    x = 952,972.64

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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.