Home / 1,286,944.44-1,930,430.44-388,394.24

Finding the Fourth Proportional to 1,286,944.44, 1,930,430.44 and 388,394.24

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Solution

The fourth proportional to 1,286,944.44, 1,930,430.44 and 388,394.24 is: 582,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,944.44 : 1,930,430.44 = 388,394.24 : x
  2. Step 2: Convert to fraction form
    1,286,944.44/1,930,430.44 = 388,394.24/x
  3. Step 3: Cross multiply
    1,286,944.44x = 1,930,430.44 × 388,394.24
  4. Step 4: Simplify right side
    1,286,944.44x = 749,768,063,616.67
  5. Step 5: Solve for x
    x = 749,768,063,616.67/1,286,944.44
  6. Step 6: Final answer
    x = 582,595.52

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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.