Home / 1,081,601.72-1,492,444.56-622,627.60

Finding the Fourth Proportional to 1,081,601.72, 1,492,444.56 and 622,627.60

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Solution

The fourth proportional to 1,081,601.72, 1,492,444.56 and 622,627.60 is: 859,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,601.72 : 1,492,444.56 = 622,627.60 : x
  2. Step 2: Convert to fraction form
    1,081,601.72/1,492,444.56 = 622,627.60/x
  3. Step 3: Cross multiply
    1,081,601.72x = 1,492,444.56 × 622,627.60
  4. Step 4: Simplify right side
    1,081,601.72x = 929,237,174,525.86
  5. Step 5: Solve for x
    x = 929,237,174,525.86/1,081,601.72
  6. Step 6: Final answer
    x = 859,130.64

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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.