Home / 576,743.10-865,179.45-177,380.70

Finding the Fourth Proportional to 576,743.10, 865,179.45 and 177,380.70

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Solution

The fourth proportional to 576,743.10, 865,179.45 and 177,380.70 is: 266,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,743.10 : 865,179.45 = 177,380.70 : x
  2. Step 2: Convert to fraction form
    576,743.10/865,179.45 = 177,380.70/x
  3. Step 3: Cross multiply
    576,743.10x = 865,179.45 × 177,380.70
  4. Step 4: Simplify right side
    576,743.10x = 153,466,136,466.62
  5. Step 5: Solve for x
    x = 153,466,136,466.62/576,743.10
  6. Step 6: Final answer
    x = 266,090.98

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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.