Home / 589,146.13-882,895.35-318,690.37

Finding the Fourth Proportional to 589,146.13, 882,895.35 and 318,690.37

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Solution

The fourth proportional to 589,146.13, 882,895.35 and 318,690.37 is: 477,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,146.13 : 882,895.35 = 318,690.37 : x
  2. Step 2: Convert to fraction form
    589,146.13/882,895.35 = 318,690.37/x
  3. Step 3: Cross multiply
    589,146.13x = 882,895.35 × 318,690.37
  4. Step 4: Simplify right side
    589,146.13x = 281,370,241,348.30
  5. Step 5: Solve for x
    x = 281,370,241,348.30/589,146.13
  6. Step 6: Final answer
    x = 477,589.90

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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.