Home / 619,941.18-855,506.27-344,284.41

Finding the Fourth Proportional to 619,941.18, 855,506.27 and 344,284.41

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Solution

The fourth proportional to 619,941.18, 855,506.27 and 344,284.41 is: 475,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,941.18 : 855,506.27 = 344,284.41 : x
  2. Step 2: Convert to fraction form
    619,941.18/855,506.27 = 344,284.41/x
  3. Step 3: Cross multiply
    619,941.18x = 855,506.27 × 344,284.41
  4. Step 4: Simplify right side
    619,941.18x = 294,537,471,418.25
  5. Step 5: Solve for x
    x = 294,537,471,418.25/619,941.18
  6. Step 6: Final answer
    x = 475,105.51

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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.