Home / 1,169,999.87-1,753,711.74-765,025.11

Finding the Fourth Proportional to 1,169,999.87, 1,753,711.74 and 765,025.11

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Solution

The fourth proportional to 1,169,999.87, 1,753,711.74 and 765,025.11 is: 1,146,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,999.87 : 1,753,711.74 = 765,025.11 : x
  2. Step 2: Convert to fraction form
    1,169,999.87/1,753,711.74 = 765,025.11/x
  3. Step 3: Cross multiply
    1,169,999.87x = 1,753,711.74 × 765,025.11
  4. Step 4: Simplify right side
    1,169,999.87x = 1,341,633,516,801.79
  5. Step 5: Solve for x
    x = 1,341,633,516,801.79/1,169,999.87
  6. Step 6: Final answer
    x = 1,146,695.45

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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.