Home / 475,827.90-713,304.74-205,787.14

Finding the Fourth Proportional to 475,827.90, 713,304.74 and 205,787.14

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Solution

The fourth proportional to 475,827.90, 713,304.74 and 205,787.14 is: 308,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,827.90 : 713,304.74 = 205,787.14 : x
  2. Step 2: Convert to fraction form
    475,827.90/713,304.74 = 205,787.14/x
  3. Step 3: Cross multiply
    475,827.90x = 713,304.74 × 205,787.14
  4. Step 4: Simplify right side
    475,827.90x = 146,788,942,393.04
  5. Step 5: Solve for x
    x = 146,788,942,393.04/475,827.90
  6. Step 6: Final answer
    x = 308,491.67

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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.