Home / 1,373,068.80-1,892,937.60-863,481.60

Finding the Fourth Proportional to 1,373,068.80, 1,892,937.60 and 863,481.60

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Solution

The fourth proportional to 1,373,068.80, 1,892,937.60 and 863,481.60 is: 1,190,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,068.80 : 1,892,937.60 = 863,481.60 : x
  2. Step 2: Convert to fraction form
    1,373,068.80/1,892,937.60 = 863,481.60/x
  3. Step 3: Cross multiply
    1,373,068.80x = 1,892,937.60 × 863,481.60
  4. Step 4: Simplify right side
    1,373,068.80x = 1,634,516,787,548.16
  5. Step 5: Solve for x
    x = 1,634,516,787,548.16/1,373,068.80
  6. Step 6: Final answer
    x = 1,190,411.43

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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.