Home / 1,336,165.80-1,999,583.10-934,924.20

Finding the Fourth Proportional to 1,336,165.80, 1,999,583.10 and 934,924.20

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Solution

The fourth proportional to 1,336,165.80, 1,999,583.10 and 934,924.20 is: 1,399,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,165.80 : 1,999,583.10 = 934,924.20 : x
  2. Step 2: Convert to fraction form
    1,336,165.80/1,999,583.10 = 934,924.20/x
  3. Step 3: Cross multiply
    1,336,165.80x = 1,999,583.10 × 934,924.20
  4. Step 4: Simplify right side
    1,336,165.80x = 1,869,458,630,101.02
  5. Step 5: Solve for x
    x = 1,869,458,630,101.02/1,336,165.80
  6. Step 6: Final answer
    x = 1,399,121.75

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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.