Home / 1,235,511.72-1,704,922.79-684,187.85

Finding the Fourth Proportional to 1,235,511.72, 1,704,922.79 and 684,187.85

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Solution

The fourth proportional to 1,235,511.72, 1,704,922.79 and 684,187.85 is: 944,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,511.72 : 1,704,922.79 = 684,187.85 : x
  2. Step 2: Convert to fraction form
    1,235,511.72/1,704,922.79 = 684,187.85/x
  3. Step 3: Cross multiply
    1,235,511.72x = 1,704,922.79 × 684,187.85
  4. Step 4: Simplify right side
    1,235,511.72x = 1,166,487,458,106.10
  5. Step 5: Solve for x
    x = 1,166,487,458,106.10/1,235,511.72
  6. Step 6: Final answer
    x = 944,133.06

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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.