Home / 754,917.64-1,132,563.12-620,209.36

Finding the Fourth Proportional to 754,917.64, 1,132,563.12 and 620,209.36

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Solution

The fourth proportional to 754,917.64, 1,132,563.12 and 620,209.36 is: 930,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,917.64 : 1,132,563.12 = 620,209.36 : x
  2. Step 2: Convert to fraction form
    754,917.64/1,132,563.12 = 620,209.36/x
  3. Step 3: Cross multiply
    754,917.64x = 1,132,563.12 × 620,209.36
  4. Step 4: Simplify right side
    754,917.64x = 702,426,247,814.80
  5. Step 5: Solve for x
    x = 702,426,247,814.80/754,917.64
  6. Step 6: Final answer
    x = 930,467.39

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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.