Home / 470,795.51-649,087.99-304,928.37

Finding the Fourth Proportional to 470,795.51, 649,087.99 and 304,928.37

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Solution

The fourth proportional to 470,795.51, 649,087.99 and 304,928.37 is: 420,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,795.51 : 649,087.99 = 304,928.37 : x
  2. Step 2: Convert to fraction form
    470,795.51/649,087.99 = 304,928.37/x
  3. Step 3: Cross multiply
    470,795.51x = 649,087.99 × 304,928.37
  4. Step 4: Simplify right side
    470,795.51x = 197,925,342,777.28
  5. Step 5: Solve for x
    x = 197,925,342,777.28/470,795.51
  6. Step 6: Final answer
    x = 420,406.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.