Home / 817,056.76-1,225,585.68-256,135

Finding the Fourth Proportional to 817,056.76, 1,225,585.68 and 256,135

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Solution

The fourth proportional to 817,056.76, 1,225,585.68 and 256,135 is: 384,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,056.76 : 1,225,585.68 = 256,135 : x
  2. Step 2: Convert to fraction form
    817,056.76/1,225,585.68 = 256,135/x
  3. Step 3: Cross multiply
    817,056.76x = 1,225,585.68 × 256,135
  4. Step 4: Simplify right side
    817,056.76x = 313,915,388,146.80
  5. Step 5: Solve for x
    x = 313,915,388,146.80/817,056.76
  6. Step 6: Final answer
    x = 384,202.67

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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.