Home / 377,963.23-521,589.30-208,197.36

Finding the Fourth Proportional to 377,963.23, 521,589.30 and 208,197.36

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Solution

The fourth proportional to 377,963.23, 521,589.30 and 208,197.36 is: 287,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,963.23 : 521,589.30 = 208,197.36 : x
  2. Step 2: Convert to fraction form
    377,963.23/521,589.30 = 208,197.36/x
  3. Step 3: Cross multiply
    377,963.23x = 521,589.30 × 208,197.36
  4. Step 4: Simplify right side
    377,963.23x = 108,593,515,264.25
  5. Step 5: Solve for x
    x = 108,593,515,264.25/377,963.23
  6. Step 6: Final answer
    x = 287,312.38

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1.5x scale

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.