Home / 1,132,143.75-1,562,358.38-622,835.19

Finding the Fourth Proportional to 1,132,143.75, 1,562,358.38 and 622,835.19

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Solution

The fourth proportional to 1,132,143.75, 1,562,358.38 and 622,835.19 is: 859,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,143.75 : 1,562,358.38 = 622,835.19 : x
  2. Step 2: Convert to fraction form
    1,132,143.75/1,562,358.38 = 622,835.19/x
  3. Step 3: Cross multiply
    1,132,143.75x = 1,562,358.38 × 622,835.19
  4. Step 4: Simplify right side
    1,132,143.75x = 973,091,775,341.22
  5. Step 5: Solve for x
    x = 973,091,775,341.22/1,132,143.75
  6. Step 6: Final answer
    x = 859,512.56

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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.