Home / 986,327.78-1,361,132.79-544,803.26

Finding the Fourth Proportional to 986,327.78, 1,361,132.79 and 544,803.26

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Solution

The fourth proportional to 986,327.78, 1,361,132.79 and 544,803.26 is: 751,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,327.78 : 1,361,132.79 = 544,803.26 : x
  2. Step 2: Convert to fraction form
    986,327.78/1,361,132.79 = 544,803.26/x
  3. Step 3: Cross multiply
    986,327.78x = 1,361,132.79 × 544,803.26
  4. Step 4: Simplify right side
    986,327.78x = 741,549,581,284.90
  5. Step 5: Solve for x
    x = 741,549,581,284.90/986,327.78
  6. Step 6: Final answer
    x = 751,828.75

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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.