Home / 654,853.75-982,280.85-294,603.78

Finding the Fourth Proportional to 654,853.75, 982,280.85 and 294,603.78

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Solution

The fourth proportional to 654,853.75, 982,280.85 and 294,603.78 is: 441,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,853.75 : 982,280.85 = 294,603.78 : x
  2. Step 2: Convert to fraction form
    654,853.75/982,280.85 = 294,603.78/x
  3. Step 3: Cross multiply
    654,853.75x = 982,280.85 × 294,603.78
  4. Step 4: Simplify right side
    654,853.75x = 289,383,651,431.61
  5. Step 5: Solve for x
    x = 289,383,651,431.61/654,853.75
  6. Step 6: Final answer
    x = 441,905.77

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Double scale
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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.