Home / 494,175.52-681,886.11-290,177.63

Finding the Fourth Proportional to 494,175.52, 681,886.11 and 290,177.63

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Solution

The fourth proportional to 494,175.52, 681,886.11 and 290,177.63 is: 400,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,175.52 : 681,886.11 = 290,177.63 : x
  2. Step 2: Convert to fraction form
    494,175.52/681,886.11 = 290,177.63/x
  3. Step 3: Cross multiply
    494,175.52x = 681,886.11 × 290,177.63
  4. Step 4: Simplify right side
    494,175.52x = 197,868,095,329.72
  5. Step 5: Solve for x
    x = 197,868,095,329.72/494,175.52
  6. Step 6: Final answer
    x = 400,400.44

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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.