Home / 747,412.22-1,120,451.70-273,987.07

Finding the Fourth Proportional to 747,412.22, 1,120,451.70 and 273,987.07

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Solution

The fourth proportional to 747,412.22, 1,120,451.70 and 273,987.07 is: 410,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,412.22 : 1,120,451.70 = 273,987.07 : x
  2. Step 2: Convert to fraction form
    747,412.22/1,120,451.70 = 273,987.07/x
  3. Step 3: Cross multiply
    747,412.22x = 1,120,451.70 × 273,987.07
  4. Step 4: Simplify right side
    747,412.22x = 306,989,278,359.52
  5. Step 5: Solve for x
    x = 306,989,278,359.52/747,412.22
  6. Step 6: Final answer
    x = 410,736.23

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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.