Home / 870,579.24-1,201,458.84-483,414.64

Finding the Fourth Proportional to 870,579.24, 1,201,458.84 and 483,414.64

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Solution

The fourth proportional to 870,579.24, 1,201,458.84 and 483,414.64 is: 667,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,579.24 : 1,201,458.84 = 483,414.64 : x
  2. Step 2: Convert to fraction form
    870,579.24/1,201,458.84 = 483,414.64/x
  3. Step 3: Cross multiply
    870,579.24x = 1,201,458.84 × 483,414.64
  4. Step 4: Simplify right side
    870,579.24x = 580,802,792,613.42
  5. Step 5: Solve for x
    x = 580,802,792,613.42/870,579.24
  6. Step 6: Final answer
    x = 667,145.24

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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.