Home / 1,111,774-1,667,643.36-353,604.52

Finding the Fourth Proportional to 1,111,774, 1,667,643.36 and 353,604.52

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Solution

The fourth proportional to 1,111,774, 1,667,643.36 and 353,604.52 is: 530,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,774 : 1,667,643.36 = 353,604.52 : x
  2. Step 2: Convert to fraction form
    1,111,774/1,667,643.36 = 353,604.52/x
  3. Step 3: Cross multiply
    1,111,774x = 1,667,643.36 × 353,604.52
  4. Step 4: Simplify right side
    1,111,774x = 589,686,229,843.99
  5. Step 5: Solve for x
    x = 589,686,229,843.99/1,111,774
  6. Step 6: Final answer
    x = 530,401.17

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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.