Home / 1,235,137.39-1,704,165.61-711,719.23

Finding the Fourth Proportional to 1,235,137.39, 1,704,165.61 and 711,719.23

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Solution

The fourth proportional to 1,235,137.39, 1,704,165.61 and 711,719.23 is: 981,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,137.39 : 1,704,165.61 = 711,719.23 : x
  2. Step 2: Convert to fraction form
    1,235,137.39/1,704,165.61 = 711,719.23/x
  3. Step 3: Cross multiply
    1,235,137.39x = 1,704,165.61 × 711,719.23
  4. Step 4: Simplify right side
    1,235,137.39x = 1,212,887,435,741.68
  5. Step 5: Solve for x
    x = 1,212,887,435,741.68/1,235,137.39
  6. Step 6: Final answer
    x = 981,985.85

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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.