Home / 705,493.10-1,057,933.46-256,064.60

Finding the Fourth Proportional to 705,493.10, 1,057,933.46 and 256,064.60

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Solution

The fourth proportional to 705,493.10, 1,057,933.46 and 256,064.60 is: 383,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,493.10 : 1,057,933.46 = 256,064.60 : x
  2. Step 2: Convert to fraction form
    705,493.10/1,057,933.46 = 256,064.60/x
  3. Step 3: Cross multiply
    705,493.10x = 1,057,933.46 × 256,064.60
  4. Step 4: Simplify right side
    705,493.10x = 270,899,308,261.52
  5. Step 5: Solve for x
    x = 270,899,308,261.52/705,493.10
  6. Step 6: Final answer
    x = 383,985.77

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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.