Home / 936,809.78-1,405,253.52-271,961.78

Finding the Fourth Proportional to 936,809.78, 1,405,253.52 and 271,961.78

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Solution

The fourth proportional to 936,809.78, 1,405,253.52 and 271,961.78 is: 407,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,809.78 : 1,405,253.52 = 271,961.78 : x
  2. Step 2: Convert to fraction form
    936,809.78/1,405,253.52 = 271,961.78/x
  3. Step 3: Cross multiply
    936,809.78x = 1,405,253.52 × 271,961.78
  4. Step 4: Simplify right side
    936,809.78x = 382,175,248,650.47
  5. Step 5: Solve for x
    x = 382,175,248,650.47/936,809.78
  6. Step 6: Final answer
    x = 407,953.95

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1.5x scale

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.