Home / 740,468.54-1,110,745.88-208,031.09

Finding the Fourth Proportional to 740,468.54, 1,110,745.88 and 208,031.09

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Solution

The fourth proportional to 740,468.54, 1,110,745.88 and 208,031.09 is: 312,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,468.54 : 1,110,745.88 = 208,031.09 : x
  2. Step 2: Convert to fraction form
    740,468.54/1,110,745.88 = 208,031.09/x
  3. Step 3: Cross multiply
    740,468.54x = 1,110,745.88 × 208,031.09
  4. Step 4: Simplify right side
    740,468.54x = 231,069,669,535.52
  5. Step 5: Solve for x
    x = 231,069,669,535.52/740,468.54
  6. Step 6: Final answer
    x = 312,058.73

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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.