Home / 1,078,092-1,616,446.64-447,441.12

Finding the Fourth Proportional to 1,078,092, 1,616,446.64 and 447,441.12

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Solution

The fourth proportional to 1,078,092, 1,616,446.64 and 447,441.12 is: 670,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,092 : 1,616,446.64 = 447,441.12 : x
  2. Step 2: Convert to fraction form
    1,078,092/1,616,446.64 = 447,441.12/x
  3. Step 3: Cross multiply
    1,078,092x = 1,616,446.64 × 447,441.12
  4. Step 4: Simplify right side
    1,078,092x = 723,264,695,021.84
  5. Step 5: Solve for x
    x = 723,264,695,021.84/1,078,092
  6. Step 6: Final answer
    x = 670,874.74

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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.