Home / 804,725.90-1,207,234.65-404,359.10

Finding the Fourth Proportional to 804,725.90, 1,207,234.65 and 404,359.10

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Solution

The fourth proportional to 804,725.90, 1,207,234.65 and 404,359.10 is: 606,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,725.90 : 1,207,234.65 = 404,359.10 : x
  2. Step 2: Convert to fraction form
    804,725.90/1,207,234.65 = 404,359.10/x
  3. Step 3: Cross multiply
    804,725.90x = 1,207,234.65 × 404,359.10
  4. Step 4: Simplify right side
    804,725.90x = 488,156,316,562.82
  5. Step 5: Solve for x
    x = 488,156,316,562.82/804,725.90
  6. Step 6: Final answer
    x = 606,611.91

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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.