Home / 1,317,252.72-1,817,817.48-713,640.72

Finding the Fourth Proportional to 1,317,252.72, 1,817,817.48 and 713,640.72

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Solution

The fourth proportional to 1,317,252.72, 1,817,817.48 and 713,640.72 is: 984,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,252.72 : 1,817,817.48 = 713,640.72 : x
  2. Step 2: Convert to fraction form
    1,317,252.72/1,817,817.48 = 713,640.72/x
  3. Step 3: Cross multiply
    1,317,252.72x = 1,817,817.48 × 713,640.72
  4. Step 4: Simplify right side
    1,317,252.72x = 1,297,268,575,255.79
  5. Step 5: Solve for x
    x = 1,297,268,575,255.79/1,317,252.72
  6. Step 6: Final answer
    x = 984,828.92

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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.