Home / 589,136.34-882,880.78-318,680.68

Finding the Fourth Proportional to 589,136.34, 882,880.78 and 318,680.68

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Solution

The fourth proportional to 589,136.34, 882,880.78 and 318,680.68 is: 477,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,136.34 : 882,880.78 = 318,680.68 : x
  2. Step 2: Convert to fraction form
    589,136.34/882,880.78 = 318,680.68/x
  3. Step 3: Cross multiply
    589,136.34x = 882,880.78 × 318,680.68
  4. Step 4: Simplify right side
    589,136.34x = 281,357,047,329.33
  5. Step 5: Solve for x
    x = 281,357,047,329.33/589,136.34
  6. Step 6: Final answer
    x = 477,575.44

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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.