Home / 1,027,141.62-1,417,650.03-688,198.74

Finding the Fourth Proportional to 1,027,141.62, 1,417,650.03 and 688,198.74

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Solution

The fourth proportional to 1,027,141.62, 1,417,650.03 and 688,198.74 is: 949,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,141.62 : 1,417,650.03 = 688,198.74 : x
  2. Step 2: Convert to fraction form
    1,027,141.62/1,417,650.03 = 688,198.74/x
  3. Step 3: Cross multiply
    1,027,141.62x = 1,417,650.03 × 688,198.74
  4. Step 4: Simplify right side
    1,027,141.62x = 975,624,964,406.96
  5. Step 5: Solve for x
    x = 975,624,964,406.96/1,027,141.62
  6. Step 6: Final answer
    x = 949,844.64

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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.