Home / 1,613,678.16-2,420,739.12-548,434.32

Finding the Fourth Proportional to 1,613,678.16, 2,420,739.12 and 548,434.32

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Solution

The fourth proportional to 1,613,678.16, 2,420,739.12 and 548,434.32 is: 822,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,678.16 : 2,420,739.12 = 548,434.32 : x
  2. Step 2: Convert to fraction form
    1,613,678.16/2,420,739.12 = 548,434.32/x
  3. Step 3: Cross multiply
    1,613,678.16x = 2,420,739.12 × 548,434.32
  4. Step 4: Simplify right side
    1,613,678.16x = 1,327,616,413,174.60
  5. Step 5: Solve for x
    x = 1,327,616,413,174.60/1,613,678.16
  6. Step 6: Final answer
    x = 822,726.89

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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.