Home / 1,022,885.72-1,410,923.58-678,714.20

Finding the Fourth Proportional to 1,022,885.72, 1,410,923.58 and 678,714.20

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Solution

The fourth proportional to 1,022,885.72, 1,410,923.58 and 678,714.20 is: 936,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,885.72 : 1,410,923.58 = 678,714.20 : x
  2. Step 2: Convert to fraction form
    1,022,885.72/1,410,923.58 = 678,714.20/x
  3. Step 3: Cross multiply
    1,022,885.72x = 1,410,923.58 × 678,714.20
  4. Step 4: Simplify right side
    1,022,885.72x = 957,613,868,860.84
  5. Step 5: Solve for x
    x = 957,613,868,860.84/1,022,885.72
  6. Step 6: Final answer
    x = 936,188.52

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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.