Home / 980,404.07-1,352,990.43-544,839.77

Finding the Fourth Proportional to 980,404.07, 1,352,990.43 and 544,839.77

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Solution

The fourth proportional to 980,404.07, 1,352,990.43 and 544,839.77 is: 751,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,404.07 : 1,352,990.43 = 544,839.77 : x
  2. Step 2: Convert to fraction form
    980,404.07/1,352,990.43 = 544,839.77/x
  3. Step 3: Cross multiply
    980,404.07x = 1,352,990.43 × 544,839.77
  4. Step 4: Simplify right side
    980,404.07x = 737,162,987,928.45
  5. Step 5: Solve for x
    x = 737,162,987,928.45/980,404.07
  6. Step 6: Final answer
    x = 751,897.11

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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.