Home / 980,147.80-1,352,609.37-544,565.74

Finding the Fourth Proportional to 980,147.80, 1,352,609.37 and 544,565.74

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Solution

The fourth proportional to 980,147.80, 1,352,609.37 and 544,565.74 is: 751,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,147.80 : 1,352,609.37 = 544,565.74 : x
  2. Step 2: Convert to fraction form
    980,147.80/1,352,609.37 = 544,565.74/x
  3. Step 3: Cross multiply
    980,147.80x = 1,352,609.37 × 544,565.74
  4. Step 4: Simplify right side
    980,147.80x = 736,584,722,504.98
  5. Step 5: Solve for x
    x = 736,584,722,504.98/980,147.80
  6. Step 6: Final answer
    x = 751,503.72

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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.