Home / 1,111,768.98-1,667,635.86-353,599.50

Finding the Fourth Proportional to 1,111,768.98, 1,667,635.86 and 353,599.50

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Solution

The fourth proportional to 1,111,768.98, 1,667,635.86 and 353,599.50 is: 530,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,768.98 : 1,667,635.86 = 353,599.50 : x
  2. Step 2: Convert to fraction form
    1,111,768.98/1,667,635.86 = 353,599.50/x
  3. Step 3: Cross multiply
    1,111,768.98x = 1,667,635.86 × 353,599.50
  4. Step 4: Simplify right side
    1,111,768.98x = 589,675,206,278.07
  5. Step 5: Solve for x
    x = 589,675,206,278.07/1,111,768.98
  6. Step 6: Final answer
    x = 530,393.65

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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.