Home / 806,858.34-1,209,874.40-451,777.02

Finding the Fourth Proportional to 806,858.34, 1,209,874.40 and 451,777.02

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Solution

The fourth proportional to 806,858.34, 1,209,874.40 and 451,777.02 is: 677,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,858.34 : 1,209,874.40 = 451,777.02 : x
  2. Step 2: Convert to fraction form
    806,858.34/1,209,874.40 = 451,777.02/x
  3. Step 3: Cross multiply
    806,858.34x = 1,209,874.40 × 451,777.02
  4. Step 4: Simplify right side
    806,858.34x = 546,593,451,006.29
  5. Step 5: Solve for x
    x = 546,593,451,006.29/806,858.34
  6. Step 6: Final answer
    x = 677,434.22

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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.