Home / 777,716.40-1,166,574.60-684,404.40

Finding the Fourth Proportional to 777,716.40, 1,166,574.60 and 684,404.40

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Solution

The fourth proportional to 777,716.40, 1,166,574.60 and 684,404.40 is: 1,026,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,716.40 : 1,166,574.60 = 684,404.40 : x
  2. Step 2: Convert to fraction form
    777,716.40/1,166,574.60 = 684,404.40/x
  3. Step 3: Cross multiply
    777,716.40x = 1,166,574.60 × 684,404.40
  4. Step 4: Simplify right side
    777,716.40x = 798,408,789,168.24
  5. Step 5: Solve for x
    x = 798,408,789,168.24/777,716.40
  6. Step 6: Final answer
    x = 1,026,606.60

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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.