Home / 980,403.51-1,352,989.65-544,839.21

Finding the Fourth Proportional to 980,403.51, 1,352,989.65 and 544,839.21

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Solution

The fourth proportional to 980,403.51, 1,352,989.65 and 544,839.21 is: 751,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,403.51 : 1,352,989.65 = 544,839.21 : x
  2. Step 2: Convert to fraction form
    980,403.51/1,352,989.65 = 544,839.21/x
  3. Step 3: Cross multiply
    980,403.51x = 1,352,989.65 × 544,839.21
  4. Step 4: Simplify right side
    980,403.51x = 737,161,814,087.32
  5. Step 5: Solve for x
    x = 737,161,814,087.32/980,403.51
  6. Step 6: Final answer
    x = 751,896.35

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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.