Home / 1,017,914.39-1,405,267.20-784,832.24

Finding the Fourth Proportional to 1,017,914.39, 1,405,267.20 and 784,832.24

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Solution

The fourth proportional to 1,017,914.39, 1,405,267.20 and 784,832.24 is: 1,083,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,914.39 : 1,405,267.20 = 784,832.24 : x
  2. Step 2: Convert to fraction form
    1,017,914.39/1,405,267.20 = 784,832.24/x
  3. Step 3: Cross multiply
    1,017,914.39x = 1,405,267.20 × 784,832.24
  4. Step 4: Simplify right side
    1,017,914.39x = 1,102,899,008,663.24
  5. Step 5: Solve for x
    x = 1,102,899,008,663.24/1,017,914.39
  6. Step 6: Final answer
    x = 1,083,488.97

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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.