Home / 543,623.54-750,179.90-301,921.68

Finding the Fourth Proportional to 543,623.54, 750,179.90 and 301,921.68

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Solution

The fourth proportional to 543,623.54, 750,179.90 and 301,921.68 is: 416,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,623.54 : 750,179.90 = 301,921.68 : x
  2. Step 2: Convert to fraction form
    543,623.54/750,179.90 = 301,921.68/x
  3. Step 3: Cross multiply
    543,623.54x = 750,179.90 × 301,921.68
  4. Step 4: Simplify right side
    543,623.54x = 226,495,575,710.23
  5. Step 5: Solve for x
    x = 226,495,575,710.23/543,623.54
  6. Step 6: Final answer
    x = 416,640.49

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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.