Home / 936,811.72-1,405,256.46-271,963.72

Finding the Fourth Proportional to 936,811.72, 1,405,256.46 and 271,963.72

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Solution

The fourth proportional to 936,811.72, 1,405,256.46 and 271,963.72 is: 407,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,811.72 : 1,405,256.46 = 271,963.72 : x
  2. Step 2: Convert to fraction form
    936,811.72/1,405,256.46 = 271,963.72/x
  3. Step 3: Cross multiply
    936,811.72x = 1,405,256.46 × 271,963.72
  4. Step 4: Simplify right side
    936,811.72x = 382,178,774,415.63
  5. Step 5: Solve for x
    x = 382,178,774,415.63/936,811.72
  6. Step 6: Final answer
    x = 407,956.87

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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.