Home / 705,901.32-1,059,059.80-256,615.12

Finding the Fourth Proportional to 705,901.32, 1,059,059.80 and 256,615.12

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Solution

The fourth proportional to 705,901.32, 1,059,059.80 and 256,615.12 is: 384,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,901.32 : 1,059,059.80 = 256,615.12 : x
  2. Step 2: Convert to fraction form
    705,901.32/1,059,059.80 = 256,615.12/x
  3. Step 3: Cross multiply
    705,901.32x = 1,059,059.80 × 256,615.12
  4. Step 4: Simplify right side
    705,901.32x = 271,770,757,664.18
  5. Step 5: Solve for x
    x = 271,770,757,664.18/705,901.32
  6. Step 6: Final answer
    x = 384,998.23

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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.