Home / 713,464.80-1,070,216.68-208,013.56

Finding the Fourth Proportional to 713,464.80, 1,070,216.68 and 208,013.56

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Solution

The fourth proportional to 713,464.80, 1,070,216.68 and 208,013.56 is: 312,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,464.80 : 1,070,216.68 = 208,013.56 : x
  2. Step 2: Convert to fraction form
    713,464.80/1,070,216.68 = 208,013.56/x
  3. Step 3: Cross multiply
    713,464.80x = 1,070,216.68 × 208,013.56
  4. Step 4: Simplify right side
    713,464.80x = 222,619,581,578.18
  5. Step 5: Solve for x
    x = 222,619,581,578.18/713,464.80
  6. Step 6: Final answer
    x = 312,026.02

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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.