Home / 1,613,665.12-2,420,760.38-476,542.32

Finding the Fourth Proportional to 1,613,665.12, 2,420,760.38 and 476,542.32

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Solution

The fourth proportional to 1,613,665.12, 2,420,760.38 and 476,542.32 is: 714,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,665.12 : 2,420,760.38 = 476,542.32 : x
  2. Step 2: Convert to fraction form
    1,613,665.12/2,420,760.38 = 476,542.32/x
  3. Step 3: Cross multiply
    1,613,665.12x = 2,420,760.38 × 476,542.32
  4. Step 4: Simplify right side
    1,613,665.12x = 1,153,594,767,649.28
  5. Step 5: Solve for x
    x = 1,153,594,767,649.28/1,613,665.12
  6. Step 6: Final answer
    x = 714,891.06

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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.