Home / 1,477,943.62-2,215,931.28-531,191.32

Finding the Fourth Proportional to 1,477,943.62, 2,215,931.28 and 531,191.32

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Solution

The fourth proportional to 1,477,943.62, 2,215,931.28 and 531,191.32 is: 796,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,943.62 : 2,215,931.28 = 531,191.32 : x
  2. Step 2: Convert to fraction form
    1,477,943.62/2,215,931.28 = 531,191.32/x
  3. Step 3: Cross multiply
    1,477,943.62x = 2,215,931.28 × 531,191.32
  4. Step 4: Simplify right side
    1,477,943.62x = 1,177,083,454,120.69
  5. Step 5: Solve for x
    x = 1,177,083,454,120.69/1,477,943.62
  6. Step 6: Final answer
    x = 796,433.26

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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.