Home / 1,606,212.56-2,216,201.64-961,387.76

Finding the Fourth Proportional to 1,606,212.56, 2,216,201.64 and 961,387.76

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Solution

The fourth proportional to 1,606,212.56, 2,216,201.64 and 961,387.76 is: 1,326,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,212.56 : 2,216,201.64 = 961,387.76 : x
  2. Step 2: Convert to fraction form
    1,606,212.56/2,216,201.64 = 961,387.76/x
  3. Step 3: Cross multiply
    1,606,212.56x = 2,216,201.64 × 961,387.76
  4. Step 4: Simplify right side
    1,606,212.56x = 2,130,629,130,387.93
  5. Step 5: Solve for x
    x = 2,130,629,130,387.93/1,606,212.56
  6. Step 6: Final answer
    x = 1,326,492.63

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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.