Home / 1,051,919.12-1,578,143.64-303,960.08

Finding the Fourth Proportional to 1,051,919.12, 1,578,143.64 and 303,960.08

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Solution

The fourth proportional to 1,051,919.12, 1,578,143.64 and 303,960.08 is: 456,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,919.12 : 1,578,143.64 = 303,960.08 : x
  2. Step 2: Convert to fraction form
    1,051,919.12/1,578,143.64 = 303,960.08/x
  3. Step 3: Cross multiply
    1,051,919.12x = 1,578,143.64 × 303,960.08
  4. Step 4: Simplify right side
    1,051,919.12x = 479,692,667,065.89
  5. Step 5: Solve for x
    x = 479,692,667,065.89/1,051,919.12
  6. Step 6: Final answer
    x = 456,016.68

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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.