Home / 1,134,745.20-1,565,940.60-625,446.36

Finding the Fourth Proportional to 1,134,745.20, 1,565,940.60 and 625,446.36

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Solution

The fourth proportional to 1,134,745.20, 1,565,940.60 and 625,446.36 is: 863,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,745.20 : 1,565,940.60 = 625,446.36 : x
  2. Step 2: Convert to fraction form
    1,134,745.20/1,565,940.60 = 625,446.36/x
  3. Step 3: Cross multiply
    1,134,745.20x = 1,565,940.60 × 625,446.36
  4. Step 4: Simplify right side
    1,134,745.20x = 979,411,848,246.22
  5. Step 5: Solve for x
    x = 979,411,848,246.22/1,134,745.20
  6. Step 6: Final answer
    x = 863,111.69

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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.