Home / 383,828.23-529,681.41-211,756.89

Finding the Fourth Proportional to 383,828.23, 529,681.41 and 211,756.89

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Solution

The fourth proportional to 383,828.23, 529,681.41 and 211,756.89 is: 292,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,828.23 : 529,681.41 = 211,756.89 : x
  2. Step 2: Convert to fraction form
    383,828.23/529,681.41 = 211,756.89/x
  3. Step 3: Cross multiply
    383,828.23x = 529,681.41 × 211,756.89
  4. Step 4: Simplify right side
    383,828.23x = 112,163,688,072.42
  5. Step 5: Solve for x
    x = 112,163,688,072.42/383,828.23
  6. Step 6: Final answer
    x = 292,223.65

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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.