Home / 656,135.92-983,853.96-339,808.24

Finding the Fourth Proportional to 656,135.92, 983,853.96 and 339,808.24

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Solution

The fourth proportional to 656,135.92, 983,853.96 and 339,808.24 is: 509,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,135.92 : 983,853.96 = 339,808.24 : x
  2. Step 2: Convert to fraction form
    656,135.92/983,853.96 = 339,808.24/x
  3. Step 3: Cross multiply
    656,135.92x = 983,853.96 × 339,808.24
  4. Step 4: Simplify right side
    656,135.92x = 334,321,682,564.63
  5. Step 5: Solve for x
    x = 334,321,682,564.63/656,135.92
  6. Step 6: Final answer
    x = 509,531.14

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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.