Home / 1,412,706.38-1,949,521.21-768,126.70

Finding the Fourth Proportional to 1,412,706.38, 1,949,521.21 and 768,126.70

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Solution

The fourth proportional to 1,412,706.38, 1,949,521.21 and 768,126.70 is: 1,060,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,706.38 : 1,949,521.21 = 768,126.70 : x
  2. Step 2: Convert to fraction form
    1,412,706.38/1,949,521.21 = 768,126.70/x
  3. Step 3: Cross multiply
    1,412,706.38x = 1,949,521.21 × 768,126.70
  4. Step 4: Simplify right side
    1,412,706.38x = 1,497,479,303,937.63
  5. Step 5: Solve for x
    x = 1,497,479,303,937.63/1,412,706.38
  6. Step 6: Final answer
    x = 1,060,007.46

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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.