Home / 886,586.55-1,329,272.38-317,955.48

Finding the Fourth Proportional to 886,586.55, 1,329,272.38 and 317,955.48

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Solution

The fourth proportional to 886,586.55, 1,329,272.38 and 317,955.48 is: 476,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,586.55 : 1,329,272.38 = 317,955.48 : x
  2. Step 2: Convert to fraction form
    886,586.55/1,329,272.38 = 317,955.48/x
  3. Step 3: Cross multiply
    886,586.55x = 1,329,272.38 × 317,955.48
  4. Step 4: Simplify right side
    886,586.55x = 422,649,437,633.64
  5. Step 5: Solve for x
    x = 422,649,437,633.64/886,586.55
  6. Step 6: Final answer
    x = 476,715.37

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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.