Home / 1,215,801.72-1,823,739.49-417,071.73

Finding the Fourth Proportional to 1,215,801.72, 1,823,739.49 and 417,071.73

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Solution

The fourth proportional to 1,215,801.72, 1,823,739.49 and 417,071.73 is: 625,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,801.72 : 1,823,739.49 = 417,071.73 : x
  2. Step 2: Convert to fraction form
    1,215,801.72/1,823,739.49 = 417,071.73/x
  3. Step 3: Cross multiply
    1,215,801.72x = 1,823,739.49 × 417,071.73
  4. Step 4: Simplify right side
    1,215,801.72x = 760,630,184,163.62
  5. Step 5: Solve for x
    x = 760,630,184,163.62/1,215,801.72
  6. Step 6: Final answer
    x = 625,620.26

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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.