Home / 1,022,622.90-1,412,555.13-829,751.37

Finding the Fourth Proportional to 1,022,622.90, 1,412,555.13 and 829,751.37

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Solution

The fourth proportional to 1,022,622.90, 1,412,555.13 and 829,751.37 is: 1,146,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,622.90 : 1,412,555.13 = 829,751.37 : x
  2. Step 2: Convert to fraction form
    1,022,622.90/1,412,555.13 = 829,751.37/x
  3. Step 3: Cross multiply
    1,022,622.90x = 1,412,555.13 × 829,751.37
  4. Step 4: Simplify right side
    1,022,622.90x = 1,172,069,554,318.03
  5. Step 5: Solve for x
    x = 1,172,069,554,318.03/1,022,622.90
  6. Step 6: Final answer
    x = 1,146,140.53

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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.