Home / 383,935.95-529,828.02-211,855.50

Finding the Fourth Proportional to 383,935.95, 529,828.02 and 211,855.50

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Solution

The fourth proportional to 383,935.95, 529,828.02 and 211,855.50 is: 292,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,935.95 : 529,828.02 = 211,855.50 : x
  2. Step 2: Convert to fraction form
    383,935.95/529,828.02 = 211,855.50/x
  3. Step 3: Cross multiply
    383,935.95x = 529,828.02 × 211,855.50
  4. Step 4: Simplify right side
    383,935.95x = 112,246,980,091.11
  5. Step 5: Solve for x
    x = 112,246,980,091.11/383,935.95
  6. Step 6: Final answer
    x = 292,358.61

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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.