Home / 756,448.60-1,134,672.90-682,720.60

Finding the Fourth Proportional to 756,448.60, 1,134,672.90 and 682,720.60

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Solution

The fourth proportional to 756,448.60, 1,134,672.90 and 682,720.60 is: 1,024,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,448.60 : 1,134,672.90 = 682,720.60 : x
  2. Step 2: Convert to fraction form
    756,448.60/1,134,672.90 = 682,720.60/x
  3. Step 3: Cross multiply
    756,448.60x = 1,134,672.90 × 682,720.60
  4. Step 4: Simplify right side
    756,448.60x = 774,664,563,091.74
  5. Step 5: Solve for x
    x = 774,664,563,091.74/756,448.60
  6. Step 6: Final answer
    x = 1,024,080.90

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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.