Home / 856,657.27-1,284,705.61-401,107.49

Finding the Fourth Proportional to 856,657.27, 1,284,705.61 and 401,107.49

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Solution

The fourth proportional to 856,657.27, 1,284,705.61 and 401,107.49 is: 601,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,657.27 : 1,284,705.61 = 401,107.49 : x
  2. Step 2: Convert to fraction form
    856,657.27/1,284,705.61 = 401,107.49/x
  3. Step 3: Cross multiply
    856,657.27x = 1,284,705.61 × 401,107.49
  4. Step 4: Simplify right side
    856,657.27x = 515,305,049,490.07
  5. Step 5: Solve for x
    x = 515,305,049,490.07/856,657.27
  6. Step 6: Final answer
    x = 601,530.01

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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.