Home / 277,298.24-415,915.23-77,634.59

Finding the Fourth Proportional to 277,298.24, 415,915.23 and 77,634.59

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Solution

The fourth proportional to 277,298.24, 415,915.23 and 77,634.59 is: 116,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,298.24 : 415,915.23 = 77,634.59 : x
  2. Step 2: Convert to fraction form
    277,298.24/415,915.23 = 77,634.59/x
  3. Step 3: Cross multiply
    277,298.24x = 415,915.23 × 77,634.59
  4. Step 4: Simplify right side
    277,298.24x = 32,289,408,355.81
  5. Step 5: Solve for x
    x = 32,289,408,355.81/277,298.24
  6. Step 6: Final answer
    x = 116,442.89

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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.