Home / 475,828.40-713,305.49-205,787.64

Finding the Fourth Proportional to 475,828.40, 713,305.49 and 205,787.64

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Solution

The fourth proportional to 475,828.40, 713,305.49 and 205,787.64 is: 308,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,828.40 : 713,305.49 = 205,787.64 : x
  2. Step 2: Convert to fraction form
    475,828.40/713,305.49 = 205,787.64/x
  3. Step 3: Cross multiply
    475,828.40x = 713,305.49 × 205,787.64
  4. Step 4: Simplify right side
    475,828.40x = 146,789,453,386.14
  5. Step 5: Solve for x
    x = 146,789,453,386.14/475,828.40
  6. Step 6: Final answer
    x = 308,492.42

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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.