Home / 526,884.12-727,093.80-285,160.95

Finding the Fourth Proportional to 526,884.12, 727,093.80 and 285,160.95

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Solution

The fourth proportional to 526,884.12, 727,093.80 and 285,160.95 is: 393,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,884.12 : 727,093.80 = 285,160.95 : x
  2. Step 2: Convert to fraction form
    526,884.12/727,093.80 = 285,160.95/x
  3. Step 3: Cross multiply
    526,884.12x = 727,093.80 × 285,160.95
  4. Step 4: Simplify right side
    526,884.12x = 207,338,758,747.11
  5. Step 5: Solve for x
    x = 207,338,758,747.11/526,884.12
  6. Step 6: Final answer
    x = 393,518.71

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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.