Home / 969,987.46-1,338,445.56-550,868.98

Finding the Fourth Proportional to 969,987.46, 1,338,445.56 and 550,868.98

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Solution

The fourth proportional to 969,987.46, 1,338,445.56 and 550,868.98 is: 760,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,987.46 : 1,338,445.56 = 550,868.98 : x
  2. Step 2: Convert to fraction form
    969,987.46/1,338,445.56 = 550,868.98/x
  3. Step 3: Cross multiply
    969,987.46x = 1,338,445.56 × 550,868.98
  4. Step 4: Simplify right side
    969,987.46x = 737,308,140,422.73
  5. Step 5: Solve for x
    x = 737,308,140,422.73/969,987.46
  6. Step 6: Final answer
    x = 760,121.31

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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.