Home / 878,268.25-1,212,011.00-475,860.25

Finding the Fourth Proportional to 878,268.25, 1,212,011.00 and 475,860.25

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Solution

The fourth proportional to 878,268.25, 1,212,011.00 and 475,860.25 is: 656,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,268.25 : 1,212,011.00 = 475,860.25 : x
  2. Step 2: Convert to fraction form
    878,268.25/1,212,011.00 = 475,860.25/x
  3. Step 3: Cross multiply
    878,268.25x = 1,212,011.00 × 475,860.25
  4. Step 4: Simplify right side
    878,268.25x = 576,747,855,083.45
  5. Step 5: Solve for x
    x = 576,747,855,083.45/878,268.25
  6. Step 6: Final answer
    x = 656,687.58

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1.5x scale

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.