Home / 723,634.56-1,085,503.80-191,150.40

Finding the Fourth Proportional to 723,634.56, 1,085,503.80 and 191,150.40

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Solution

The fourth proportional to 723,634.56, 1,085,503.80 and 191,150.40 is: 286,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,634.56 : 1,085,503.80 = 191,150.40 : x
  2. Step 2: Convert to fraction form
    723,634.56/1,085,503.80 = 191,150.40/x
  3. Step 3: Cross multiply
    723,634.56x = 1,085,503.80 × 191,150.40
  4. Step 4: Simplify right side
    723,634.56x = 207,494,485,571.52
  5. Step 5: Solve for x
    x = 207,494,485,571.52/723,634.56
  6. Step 6: Final answer
    x = 286,739.33

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1.5x scale

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.