Home / 558,175.08-770,188.17-328,778.04

Finding the Fourth Proportional to 558,175.08, 770,188.17 and 328,778.04

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Solution

The fourth proportional to 558,175.08, 770,188.17 and 328,778.04 is: 453,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,175.08 : 770,188.17 = 328,778.04 : x
  2. Step 2: Convert to fraction form
    558,175.08/770,188.17 = 328,778.04/x
  3. Step 3: Cross multiply
    558,175.08x = 770,188.17 × 328,778.04
  4. Step 4: Simplify right side
    558,175.08x = 253,220,956,963.79
  5. Step 5: Solve for x
    x = 253,220,956,963.79/558,175.08
  6. Step 6: Final answer
    x = 453,658.66

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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.