Home / 1,065,742.25-1,471,706.44-684,433.31

Finding the Fourth Proportional to 1,065,742.25, 1,471,706.44 and 684,433.31

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Solution

The fourth proportional to 1,065,742.25, 1,471,706.44 and 684,433.31 is: 945,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,742.25 : 1,471,706.44 = 684,433.31 : x
  2. Step 2: Convert to fraction form
    1,065,742.25/1,471,706.44 = 684,433.31/x
  3. Step 3: Cross multiply
    1,065,742.25x = 1,471,706.44 × 684,433.31
  4. Step 4: Simplify right side
    1,065,742.25x = 1,007,284,901,007.90
  5. Step 5: Solve for x
    x = 1,007,284,901,007.90/1,065,742.25
  6. Step 6: Final answer
    x = 945,148.70

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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.