Home / 1,414,748.64-1,951,776.24-870,720.24

Finding the Fourth Proportional to 1,414,748.64, 1,951,776.24 and 870,720.24

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Solution

The fourth proportional to 1,414,748.64, 1,951,776.24 and 870,720.24 is: 1,201,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,748.64 : 1,951,776.24 = 870,720.24 : x
  2. Step 2: Convert to fraction form
    1,414,748.64/1,951,776.24 = 870,720.24/x
  3. Step 3: Cross multiply
    1,414,748.64x = 1,951,776.24 × 870,720.24
  4. Step 4: Simplify right side
    1,414,748.64x = 1,699,451,076,119.10
  5. Step 5: Solve for x
    x = 1,699,451,076,119.10/1,414,748.64
  6. Step 6: Final answer
    x = 1,201,238.88

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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.