Home / 1,702,078.86-2,553,183.09-637,008.78

Finding the Fourth Proportional to 1,702,078.86, 2,553,183.09 and 637,008.78

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Solution

The fourth proportional to 1,702,078.86, 2,553,183.09 and 637,008.78 is: 955,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,078.86 : 2,553,183.09 = 637,008.78 : x
  2. Step 2: Convert to fraction form
    1,702,078.86/2,553,183.09 = 637,008.78/x
  3. Step 3: Cross multiply
    1,702,078.86x = 2,553,183.09 × 637,008.78
  4. Step 4: Simplify right side
    1,702,078.86x = 1,626,400,045,277.53
  5. Step 5: Solve for x
    x = 1,626,400,045,277.53/1,702,078.86
  6. Step 6: Final answer
    x = 955,537.42

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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.