Home / 405,913.68-608,799.24-125,433.36

Finding the Fourth Proportional to 405,913.68, 608,799.24 and 125,433.36

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Solution

The fourth proportional to 405,913.68, 608,799.24 and 125,433.36 is: 188,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,913.68 : 608,799.24 = 125,433.36 : x
  2. Step 2: Convert to fraction form
    405,913.68/608,799.24 = 125,433.36/x
  3. Step 3: Cross multiply
    405,913.68x = 608,799.24 × 125,433.36
  4. Step 4: Simplify right side
    405,913.68x = 76,363,734,238.65
  5. Step 5: Solve for x
    x = 76,363,734,238.65/405,913.68
  6. Step 6: Final answer
    x = 188,128.01

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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.