Home / 548,587.08-755,367.93-480,221.46

Finding the Fourth Proportional to 548,587.08, 755,367.93 and 480,221.46

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Solution

The fourth proportional to 548,587.08, 755,367.93 and 480,221.46 is: 661,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,587.08 : 755,367.93 = 480,221.46 : x
  2. Step 2: Convert to fraction form
    548,587.08/755,367.93 = 480,221.46/x
  3. Step 3: Cross multiply
    548,587.08x = 755,367.93 × 480,221.46
  4. Step 4: Simplify right side
    548,587.08x = 362,743,890,181.78
  5. Step 5: Solve for x
    x = 362,743,890,181.78/548,587.08
  6. Step 6: Final answer
    x = 661,233.02

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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.