Home / 479,933.46-720,048.76-288,022.18

Finding the Fourth Proportional to 479,933.46, 720,048.76 and 288,022.18

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Solution

The fourth proportional to 479,933.46, 720,048.76 and 288,022.18 is: 432,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,933.46 : 720,048.76 = 288,022.18 : x
  2. Step 2: Convert to fraction form
    479,933.46/720,048.76 = 288,022.18/x
  3. Step 3: Cross multiply
    479,933.46x = 720,048.76 × 288,022.18
  4. Step 4: Simplify right side
    479,933.46x = 207,390,013,561.50
  5. Step 5: Solve for x
    x = 207,390,013,561.50/479,933.46
  6. Step 6: Final answer
    x = 432,122.43

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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.