Home / 915,960.56-1,373,944.36-383,107.80

Finding the Fourth Proportional to 915,960.56, 1,373,944.36 and 383,107.80

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Solution

The fourth proportional to 915,960.56, 1,373,944.36 and 383,107.80 is: 574,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,960.56 : 1,373,944.36 = 383,107.80 : x
  2. Step 2: Convert to fraction form
    915,960.56/1,373,944.36 = 383,107.80/x
  3. Step 3: Cross multiply
    915,960.56x = 1,373,944.36 × 383,107.80
  4. Step 4: Simplify right side
    915,960.56x = 526,368,801,082.01
  5. Step 5: Solve for x
    x = 526,368,801,082.01/915,960.56
  6. Step 6: Final answer
    x = 574,663.17

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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.