Home / 843,661.38-1,164,249.63-456,475.62

Finding the Fourth Proportional to 843,661.38, 1,164,249.63 and 456,475.62

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Solution

The fourth proportional to 843,661.38, 1,164,249.63 and 456,475.62 is: 629,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,661.38 : 1,164,249.63 = 456,475.62 : x
  2. Step 2: Convert to fraction form
    843,661.38/1,164,249.63 = 456,475.62/x
  3. Step 3: Cross multiply
    843,661.38x = 1,164,249.63 × 456,475.62
  4. Step 4: Simplify right side
    843,661.38x = 531,451,571,689.02
  5. Step 5: Solve for x
    x = 531,451,571,689.02/843,661.38
  6. Step 6: Final answer
    x = 629,934.69

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Half scale
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Double scale
Find fourth proportional to 843,662.38, 1,164,251.01 and 456,476.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.