Home / 383,828.35-529,681.58-211,757.02

Finding the Fourth Proportional to 383,828.35, 529,681.58 and 211,757.02

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Solution

The fourth proportional to 383,828.35, 529,681.58 and 211,757.02 is: 292,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,828.35 : 529,681.58 = 211,757.02 : x
  2. Step 2: Convert to fraction form
    383,828.35/529,681.58 = 211,757.02/x
  3. Step 3: Cross multiply
    383,828.35x = 529,681.58 × 211,757.02
  4. Step 4: Simplify right side
    383,828.35x = 112,163,792,929.69
  5. Step 5: Solve for x
    x = 112,163,792,929.69/383,828.35
  6. Step 6: Final answer
    x = 292,223.84

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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.