Home / 876,847.20-1,315,270.80-735,129.60

Finding the Fourth Proportional to 876,847.20, 1,315,270.80 and 735,129.60

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Solution

The fourth proportional to 876,847.20, 1,315,270.80 and 735,129.60 is: 1,102,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,847.20 : 1,315,270.80 = 735,129.60 : x
  2. Step 2: Convert to fraction form
    876,847.20/1,315,270.80 = 735,129.60/x
  3. Step 3: Cross multiply
    876,847.20x = 1,315,270.80 × 735,129.60
  4. Step 4: Simplify right side
    876,847.20x = 966,894,497,095.68
  5. Step 5: Solve for x
    x = 966,894,497,095.68/876,847.20
  6. Step 6: Final answer
    x = 1,102,694.40

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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.