Home / 705,786.86-1,058,678.15-200,348.26

Finding the Fourth Proportional to 705,786.86, 1,058,678.15 and 200,348.26

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Solution

The fourth proportional to 705,786.86, 1,058,678.15 and 200,348.26 is: 300,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,786.86 : 1,058,678.15 = 200,348.26 : x
  2. Step 2: Convert to fraction form
    705,786.86/1,058,678.15 = 200,348.26/x
  3. Step 3: Cross multiply
    705,786.86x = 1,058,678.15 × 200,348.26
  4. Step 4: Simplify right side
    705,786.86x = 212,104,325,252.52
  5. Step 5: Solve for x
    x = 212,104,325,252.52/705,786.86
  6. Step 6: Final answer
    x = 300,521.78

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Double scale
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Similar ratio
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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.