Home / 370,795.92-556,193.20-320,727.12

Finding the Fourth Proportional to 370,795.92, 556,193.20 and 320,727.12

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Solution

The fourth proportional to 370,795.92, 556,193.20 and 320,727.12 is: 481,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,795.92 : 556,193.20 = 320,727.12 : x
  2. Step 2: Convert to fraction form
    370,795.92/556,193.20 = 320,727.12/x
  3. Step 3: Cross multiply
    370,795.92x = 556,193.20 × 320,727.12
  4. Step 4: Simplify right side
    370,795.92x = 178,386,243,199.58
  5. Step 5: Solve for x
    x = 178,386,243,199.58/370,795.92
  6. Step 6: Final answer
    x = 481,090.09

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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.