Home / 705,465.10-1,057,891.46-256,036.60

Finding the Fourth Proportional to 705,465.10, 1,057,891.46 and 256,036.60

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Solution

The fourth proportional to 705,465.10, 1,057,891.46 and 256,036.60 is: 383,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,465.10 : 1,057,891.46 = 256,036.60 : x
  2. Step 2: Convert to fraction form
    705,465.10/1,057,891.46 = 256,036.60/x
  3. Step 3: Cross multiply
    705,465.10x = 1,057,891.46 × 256,036.60
  4. Step 4: Simplify right side
    705,465.10x = 270,858,932,587.44
  5. Step 5: Solve for x
    x = 270,858,932,587.44/705,465.10
  6. Step 6: Final answer
    x = 383,943.77

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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.