Home / 1,666,182-2,497,589.92-656,012.78

Finding the Fourth Proportional to 1,666,182, 2,497,589.92 and 656,012.78

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Solution

The fourth proportional to 1,666,182, 2,497,589.92 and 656,012.78 is: 983,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,182 : 2,497,589.92 = 656,012.78 : x
  2. Step 2: Convert to fraction form
    1,666,182/2,497,589.92 = 656,012.78/x
  3. Step 3: Cross multiply
    1,666,182x = 2,497,589.92 × 656,012.78
  4. Step 4: Simplify right side
    1,666,182x = 1,638,450,906,719.18
  5. Step 5: Solve for x
    x = 1,638,450,906,719.18/1,666,182
  6. Step 6: Final answer
    x = 983,356.50

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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.