Home / 1,131,817.37-1,561,937.51-622,533.11

Finding the Fourth Proportional to 1,131,817.37, 1,561,937.51 and 622,533.11

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Solution

The fourth proportional to 1,131,817.37, 1,561,937.51 and 622,533.11 is: 859,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,817.37 : 1,561,937.51 = 622,533.11 : x
  2. Step 2: Convert to fraction form
    1,131,817.37/1,561,937.51 = 622,533.11/x
  3. Step 3: Cross multiply
    1,131,817.37x = 1,561,937.51 × 622,533.11
  4. Step 4: Simplify right side
    1,131,817.37x = 972,357,809,472.60
  5. Step 5: Solve for x
    x = 972,357,809,472.60/1,131,817.37
  6. Step 6: Final answer
    x = 859,111.94

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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.