Home / 405,925.68-608,817.24-125,445.36

Finding the Fourth Proportional to 405,925.68, 608,817.24 and 125,445.36

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Solution

The fourth proportional to 405,925.68, 608,817.24 and 125,445.36 is: 188,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,925.68 : 608,817.24 = 125,445.36 : x
  2. Step 2: Convert to fraction form
    405,925.68/608,817.24 = 125,445.36/x
  3. Step 3: Cross multiply
    405,925.68x = 608,817.24 × 125,445.36
  4. Step 4: Simplify right side
    405,925.68x = 76,373,297,846.01
  5. Step 5: Solve for x
    x = 76,373,297,846.01/405,925.68
  6. Step 6: Final answer
    x = 188,146.01

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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.