Home / 518,230.08-777,759.84-268,983.36

Finding the Fourth Proportional to 518,230.08, 777,759.84 and 268,983.36

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Solution

The fourth proportional to 518,230.08, 777,759.84 and 268,983.36 is: 403,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,230.08 : 777,759.84 = 268,983.36 : x
  2. Step 2: Convert to fraction form
    518,230.08/777,759.84 = 268,983.36/x
  3. Step 3: Cross multiply
    518,230.08x = 777,759.84 × 268,983.36
  4. Step 4: Simplify right side
    518,230.08x = 209,204,455,036.26
  5. Step 5: Solve for x
    x = 209,204,455,036.26/518,230.08
  6. Step 6: Final answer
    x = 403,690.30

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1.5x scale

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.