Home / 1,112,410.52-1,667,626.20-402,280.80

Finding the Fourth Proportional to 1,112,410.52, 1,667,626.20 and 402,280.80

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Solution

The fourth proportional to 1,112,410.52, 1,667,626.20 and 402,280.80 is: 603,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,410.52 : 1,667,626.20 = 402,280.80 : x
  2. Step 2: Convert to fraction form
    1,112,410.52/1,667,626.20 = 402,280.80/x
  3. Step 3: Cross multiply
    1,112,410.52x = 1,667,626.20 × 402,280.80
  4. Step 4: Simplify right side
    1,112,410.52x = 670,854,001,836.96
  5. Step 5: Solve for x
    x = 670,854,001,836.96/1,112,410.52
  6. Step 6: Final answer
    x = 603,063.34

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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.