Home / 1,455,929.84-2,183,900.12-445,047.86

Finding the Fourth Proportional to 1,455,929.84, 2,183,900.12 and 445,047.86

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Solution

The fourth proportional to 1,455,929.84, 2,183,900.12 and 445,047.86 is: 667,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,929.84 : 2,183,900.12 = 445,047.86 : x
  2. Step 2: Convert to fraction form
    1,455,929.84/2,183,900.12 = 445,047.86/x
  3. Step 3: Cross multiply
    1,455,929.84x = 2,183,900.12 × 445,047.86
  4. Step 4: Simplify right side
    1,455,929.84x = 971,940,061,715.00
  5. Step 5: Solve for x
    x = 971,940,061,715.00/1,455,929.84
  6. Step 6: Final answer
    x = 667,573.42

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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.