Home / 1,992,808.65-2,989,687.26-644,971.26

Finding the Fourth Proportional to 1,992,808.65, 2,989,687.26 and 644,971.26

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Solution

The fourth proportional to 1,992,808.65, 2,989,687.26 and 644,971.26 is: 967,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,808.65 : 2,989,687.26 = 644,971.26 : x
  2. Step 2: Convert to fraction form
    1,992,808.65/2,989,687.26 = 644,971.26/x
  3. Step 3: Cross multiply
    1,992,808.65x = 2,989,687.26 × 644,971.26
  4. Step 4: Simplify right side
    1,992,808.65x = 1,928,262,359,088.15
  5. Step 5: Solve for x
    x = 1,928,262,359,088.15/1,992,808.65
  6. Step 6: Final answer
    x = 967,610.39

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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.