Home / 476,617.26-714,931.79-139,664.82

Finding the Fourth Proportional to 476,617.26, 714,931.79 and 139,664.82

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Solution

The fourth proportional to 476,617.26, 714,931.79 and 139,664.82 is: 209,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,617.26 : 714,931.79 = 139,664.82 : x
  2. Step 2: Convert to fraction form
    476,617.26/714,931.79 = 139,664.82/x
  3. Step 3: Cross multiply
    476,617.26x = 714,931.79 × 139,664.82
  4. Step 4: Simplify right side
    476,617.26x = 99,850,821,745.30
  5. Step 5: Solve for x
    x = 99,850,821,745.30/476,617.26
  6. Step 6: Final answer
    x = 209,498.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.