Home / 1,111,886.57-1,667,964.81-313,168.11

Finding the Fourth Proportional to 1,111,886.57, 1,667,964.81 and 313,168.11

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Solution

The fourth proportional to 1,111,886.57, 1,667,964.81 and 313,168.11 is: 469,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,886.57 : 1,667,964.81 = 313,168.11 : x
  2. Step 2: Convert to fraction form
    1,111,886.57/1,667,964.81 = 313,168.11/x
  3. Step 3: Cross multiply
    1,111,886.57x = 1,667,964.81 × 313,168.11
  4. Step 4: Simplify right side
    1,111,886.57x = 522,353,387,094.21
  5. Step 5: Solve for x
    x = 522,353,387,094.21/1,111,886.57
  6. Step 6: Final answer
    x = 469,790.18

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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.