Home / 1,555,826.16-2,147,166.36-876,808.56

Finding the Fourth Proportional to 1,555,826.16, 2,147,166.36 and 876,808.56

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Solution

The fourth proportional to 1,555,826.16, 2,147,166.36 and 876,808.56 is: 1,210,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,826.16 : 2,147,166.36 = 876,808.56 : x
  2. Step 2: Convert to fraction form
    1,555,826.16/2,147,166.36 = 876,808.56/x
  3. Step 3: Cross multiply
    1,555,826.16x = 2,147,166.36 × 876,808.56
  4. Step 4: Simplify right side
    1,555,826.16x = 1,882,653,844,192.04
  5. Step 5: Solve for x
    x = 1,882,653,844,192.04/1,555,826.16
  6. Step 6: Final answer
    x = 1,210,066.97

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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.