Home / 480,582.36-720,438.84-227,705.76

Finding the Fourth Proportional to 480,582.36, 720,438.84 and 227,705.76

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Solution

The fourth proportional to 480,582.36, 720,438.84 and 227,705.76 is: 341,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,582.36 : 720,438.84 = 227,705.76 : x
  2. Step 2: Convert to fraction form
    480,582.36/720,438.84 = 227,705.76/x
  3. Step 3: Cross multiply
    480,582.36x = 720,438.84 × 227,705.76
  4. Step 4: Simplify right side
    480,582.36x = 164,048,073,595.72
  5. Step 5: Solve for x
    x = 164,048,073,595.72/480,582.36
  6. Step 6: Final answer
    x = 341,352.67

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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.