Home / 1,369,520.91-1,890,198.32-917,597.07

Finding the Fourth Proportional to 1,369,520.91, 1,890,198.32 and 917,597.07

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Solution

The fourth proportional to 1,369,520.91, 1,890,198.32 and 917,597.07 is: 1,266,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,520.91 : 1,890,198.32 = 917,597.07 : x
  2. Step 2: Convert to fraction form
    1,369,520.91/1,890,198.32 = 917,597.07/x
  3. Step 3: Cross multiply
    1,369,520.91x = 1,890,198.32 × 917,597.07
  4. Step 4: Simplify right side
    1,369,520.91x = 1,734,440,435,562.94
  5. Step 5: Solve for x
    x = 1,734,440,435,562.94/1,369,520.91
  6. Step 6: Final answer
    x = 1,266,457.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.