Home / 984,285.27-1,476,633.78-415,667.70

Finding the Fourth Proportional to 984,285.27, 1,476,633.78 and 415,667.70

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Solution

The fourth proportional to 984,285.27, 1,476,633.78 and 415,667.70 is: 623,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,285.27 : 1,476,633.78 = 415,667.70 : x
  2. Step 2: Convert to fraction form
    984,285.27/1,476,633.78 = 415,667.70/x
  3. Step 3: Cross multiply
    984,285.27x = 1,476,633.78 × 415,667.70
  4. Step 4: Simplify right side
    984,285.27x = 613,788,967,074.91
  5. Step 5: Solve for x
    x = 613,788,967,074.91/984,285.27
  6. Step 6: Final answer
    x = 623,588.49

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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.