Home / 1,492,793.16-2,239,121.70-481,961.76

Finding the Fourth Proportional to 1,492,793.16, 2,239,121.70 and 481,961.76

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Solution

The fourth proportional to 1,492,793.16, 2,239,121.70 and 481,961.76 is: 722,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,793.16 : 2,239,121.70 = 481,961.76 : x
  2. Step 2: Convert to fraction form
    1,492,793.16/2,239,121.70 = 481,961.76/x
  3. Step 3: Cross multiply
    1,492,793.16x = 2,239,121.70 × 481,961.76
  4. Step 4: Simplify right side
    1,492,793.16x = 1,079,171,035,386.19
  5. Step 5: Solve for x
    x = 1,079,171,035,386.19/1,492,793.16
  6. Step 6: Final answer
    x = 722,920.67

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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.