Home / 1,043,028.28-1,439,329.26-640,542.52

Finding the Fourth Proportional to 1,043,028.28, 1,439,329.26 and 640,542.52

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Solution

The fourth proportional to 1,043,028.28, 1,439,329.26 and 640,542.52 is: 883,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,028.28 : 1,439,329.26 = 640,542.52 : x
  2. Step 2: Convert to fraction form
    1,043,028.28/1,439,329.26 = 640,542.52/x
  3. Step 3: Cross multiply
    1,043,028.28x = 1,439,329.26 × 640,542.52
  4. Step 4: Simplify right side
    1,043,028.28x = 921,951,591,310.14
  5. Step 5: Solve for x
    x = 921,951,591,310.14/1,043,028.28
  6. Step 6: Final answer
    x = 883,918.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.