Home / 1,412,714.40-1,949,532.24-768,134.72

Finding the Fourth Proportional to 1,412,714.40, 1,949,532.24 and 768,134.72

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Solution

The fourth proportional to 1,412,714.40, 1,949,532.24 and 768,134.72 is: 1,060,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,714.40 : 1,949,532.24 = 768,134.72 : x
  2. Step 2: Convert to fraction form
    1,412,714.40/1,949,532.24 = 768,134.72/x
  3. Step 3: Cross multiply
    1,412,714.40x = 1,949,532.24 × 768,134.72
  4. Step 4: Simplify right side
    1,412,714.40x = 1,497,503,401,303.37
  5. Step 5: Solve for x
    x = 1,497,503,401,303.37/1,412,714.40
  6. Step 6: Final answer
    x = 1,060,018.50

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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.