Home / 1,520,922.36-2,099,097.90-876,219.96

Finding the Fourth Proportional to 1,520,922.36, 2,099,097.90 and 876,219.96

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Solution

The fourth proportional to 1,520,922.36, 2,099,097.90 and 876,219.96 is: 1,209,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,922.36 : 2,099,097.90 = 876,219.96 : x
  2. Step 2: Convert to fraction form
    1,520,922.36/2,099,097.90 = 876,219.96/x
  3. Step 3: Cross multiply
    1,520,922.36x = 2,099,097.90 × 876,219.96
  4. Step 4: Simplify right side
    1,520,922.36x = 1,839,271,477,974.08
  5. Step 5: Solve for x
    x = 1,839,271,477,974.08/1,520,922.36
  6. Step 6: Final answer
    x = 1,209,313.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.