Home / 1,112,464.92-1,667,707.68-402,335.04

Finding the Fourth Proportional to 1,112,464.92, 1,667,707.68 and 402,335.04

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Solution

The fourth proportional to 1,112,464.92, 1,667,707.68 and 402,335.04 is: 603,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,464.92 : 1,667,707.68 = 402,335.04 : x
  2. Step 2: Convert to fraction form
    1,112,464.92/1,667,707.68 = 402,335.04/x
  3. Step 3: Cross multiply
    1,112,464.92x = 1,667,707.68 × 402,335.04
  4. Step 4: Simplify right side
    1,112,464.92x = 670,977,236,141.11
  5. Step 5: Solve for x
    x = 670,977,236,141.11/1,112,464.92
  6. Step 6: Final answer
    x = 603,144.62

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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.