Home / 1,126,714.12-1,554,814.74-617,405.56

Finding the Fourth Proportional to 1,126,714.12, 1,554,814.74 and 617,405.56

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Solution

The fourth proportional to 1,126,714.12, 1,554,814.74 and 617,405.56 is: 851,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,714.12 : 1,554,814.74 = 617,405.56 : x
  2. Step 2: Convert to fraction form
    1,126,714.12/1,554,814.74 = 617,405.56/x
  3. Step 3: Cross multiply
    1,126,714.12x = 1,554,814.74 × 617,405.56
  4. Step 4: Simplify right side
    1,126,714.12x = 959,951,263,674.19
  5. Step 5: Solve for x
    x = 959,951,263,674.19/1,126,714.12
  6. Step 6: Final answer
    x = 851,991.87

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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.