Home / 705,895.68-1,059,054.72-256,608

Finding the Fourth Proportional to 705,895.68, 1,059,054.72 and 256,608

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Solution

The fourth proportional to 705,895.68, 1,059,054.72 and 256,608 is: 384,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,895.68 : 1,059,054.72 = 256,608 : x
  2. Step 2: Convert to fraction form
    705,895.68/1,059,054.72 = 256,608/x
  3. Step 3: Cross multiply
    705,895.68x = 1,059,054.72 × 256,608
  4. Step 4: Simplify right side
    705,895.68x = 271,761,913,589.76
  5. Step 5: Solve for x
    x = 271,761,913,589.76/705,895.68
  6. Step 6: Final answer
    x = 384,988.78

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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.