Home / 656,145.92-983,868.96-339,818.24

Finding the Fourth Proportional to 656,145.92, 983,868.96 and 339,818.24

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Solution

The fourth proportional to 656,145.92, 983,868.96 and 339,818.24 is: 509,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,145.92 : 983,868.96 = 339,818.24 : x
  2. Step 2: Convert to fraction form
    656,145.92/983,868.96 = 339,818.24/x
  3. Step 3: Cross multiply
    656,145.92x = 983,868.96 × 339,818.24
  4. Step 4: Simplify right side
    656,145.92x = 334,336,618,377.83
  5. Step 5: Solve for x
    x = 334,336,618,377.83/656,145.92
  6. Step 6: Final answer
    x = 509,546.14

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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.