Home / 806,895.88-1,211,091.90-407,817.52

Finding the Fourth Proportional to 806,895.88, 1,211,091.90 and 407,817.52

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Solution

The fourth proportional to 806,895.88, 1,211,091.90 and 407,817.52 is: 612,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,895.88 : 1,211,091.90 = 407,817.52 : x
  2. Step 2: Convert to fraction form
    806,895.88/1,211,091.90 = 407,817.52/x
  3. Step 3: Cross multiply
    806,895.88x = 1,211,091.90 × 407,817.52
  4. Step 4: Simplify right side
    806,895.88x = 493,904,495,150.09
  5. Step 5: Solve for x
    x = 493,904,495,150.09/806,895.88
  6. Step 6: Final answer
    x = 612,104.37

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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.