Home / 887,271.40-1,330,907.10-737,680.60

Finding the Fourth Proportional to 887,271.40, 1,330,907.10 and 737,680.60

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Solution

The fourth proportional to 887,271.40, 1,330,907.10 and 737,680.60 is: 1,106,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,271.40 : 1,330,907.10 = 737,680.60 : x
  2. Step 2: Convert to fraction form
    887,271.40/1,330,907.10 = 737,680.60/x
  3. Step 3: Cross multiply
    887,271.40x = 1,330,907.10 × 737,680.60
  4. Step 4: Simplify right side
    887,271.40x = 981,784,348,072.26
  5. Step 5: Solve for x
    x = 981,784,348,072.26/887,271.40
  6. Step 6: Final answer
    x = 1,106,520.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.