Home / 479,632.68-719,535.42-239,871.60

Finding the Fourth Proportional to 479,632.68, 719,535.42 and 239,871.60

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Solution

The fourth proportional to 479,632.68, 719,535.42 and 239,871.60 is: 359,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,632.68 : 719,535.42 = 239,871.60 : x
  2. Step 2: Convert to fraction form
    479,632.68/719,535.42 = 239,871.60/x
  3. Step 3: Cross multiply
    479,632.68x = 719,535.42 × 239,871.60
  4. Step 4: Simplify right side
    479,632.68x = 172,596,112,452.07
  5. Step 5: Solve for x
    x = 172,596,112,452.07/479,632.68
  6. Step 6: Final answer
    x = 359,850.61

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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.