Home / 1,152,145.46-1,589,706.24-668,430.44

Finding the Fourth Proportional to 1,152,145.46, 1,589,706.24 and 668,430.44

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Solution

The fourth proportional to 1,152,145.46, 1,589,706.24 and 668,430.44 is: 922,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,145.46 : 1,589,706.24 = 668,430.44 : x
  2. Step 2: Convert to fraction form
    1,152,145.46/1,589,706.24 = 668,430.44/x
  3. Step 3: Cross multiply
    1,152,145.46x = 1,589,706.24 × 668,430.44
  4. Step 4: Simplify right side
    1,152,145.46x = 1,062,608,041,473.95
  5. Step 5: Solve for x
    x = 1,062,608,041,473.95/1,152,145.46
  6. Step 6: Final answer
    x = 922,286.36

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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.