Home / 1,131,938.01-1,562,041.87-622,640.39

Finding the Fourth Proportional to 1,131,938.01, 1,562,041.87 and 622,640.39

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Solution

The fourth proportional to 1,131,938.01, 1,562,041.87 and 622,640.39 is: 859,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,938.01 : 1,562,041.87 = 622,640.39 : x
  2. Step 2: Convert to fraction form
    1,131,938.01/1,562,041.87 = 622,640.39/x
  3. Step 3: Cross multiply
    1,131,938.01x = 1,562,041.87 × 622,640.39
  4. Step 4: Simplify right side
    1,131,938.01x = 972,590,349,766.32
  5. Step 5: Solve for x
    x = 972,590,349,766.32/1,131,938.01
  6. Step 6: Final answer
    x = 859,225.81

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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.