Home / 1,513,880.66-2,089,059.98-868,846.88

Finding the Fourth Proportional to 1,513,880.66, 2,089,059.98 and 868,846.88

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Solution

The fourth proportional to 1,513,880.66, 2,089,059.98 and 868,846.88 is: 1,198,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,880.66 : 2,089,059.98 = 868,846.88 : x
  2. Step 2: Convert to fraction form
    1,513,880.66/2,089,059.98 = 868,846.88/x
  3. Step 3: Cross multiply
    1,513,880.66x = 2,089,059.98 × 868,846.88
  4. Step 4: Simplify right side
    1,513,880.66x = 1,815,073,245,755.86
  5. Step 5: Solve for x
    x = 1,815,073,245,755.86/1,513,880.66
  6. Step 6: Final answer
    x = 1,198,953.98

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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.