Home / 470,794.95-649,087.22-304,927.81

Finding the Fourth Proportional to 470,794.95, 649,087.22 and 304,927.81

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Solution

The fourth proportional to 470,794.95, 649,087.22 and 304,927.81 is: 420,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,794.95 : 649,087.22 = 304,927.81 : x
  2. Step 2: Convert to fraction form
    470,794.95/649,087.22 = 304,927.81/x
  3. Step 3: Cross multiply
    470,794.95x = 649,087.22 × 304,927.81
  4. Step 4: Simplify right side
    470,794.95x = 197,924,743,731.27
  5. Step 5: Solve for x
    x = 197,924,743,731.27/470,794.95
  6. Step 6: Final answer
    x = 420,405.41

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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.