Home / 405,908.04-606,373.07-292,621.44

Finding the Fourth Proportional to 405,908.04, 606,373.07 and 292,621.44

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Solution

The fourth proportional to 405,908.04, 606,373.07 and 292,621.44 is: 437,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,908.04 : 606,373.07 = 292,621.44 : x
  2. Step 2: Convert to fraction form
    405,908.04/606,373.07 = 292,621.44/x
  3. Step 3: Cross multiply
    405,908.04x = 606,373.07 × 292,621.44
  4. Step 4: Simplify right side
    405,908.04x = 177,437,760,920.62
  5. Step 5: Solve for x
    x = 177,437,760,920.62/405,908.04
  6. Step 6: Final answer
    x = 437,137.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.