Home / 1,111,735.88-1,533,632.11-703,149.60

Finding the Fourth Proportional to 1,111,735.88, 1,533,632.11 and 703,149.60

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Solution

The fourth proportional to 1,111,735.88, 1,533,632.11 and 703,149.60 is: 969,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,735.88 : 1,533,632.11 = 703,149.60 : x
  2. Step 2: Convert to fraction form
    1,111,735.88/1,533,632.11 = 703,149.60/x
  3. Step 3: Cross multiply
    1,111,735.88x = 1,533,632.11 × 703,149.60
  4. Step 4: Simplify right side
    1,111,735.88x = 1,078,372,804,693.66
  5. Step 5: Solve for x
    x = 1,078,372,804,693.66/1,111,735.88
  6. Step 6: Final answer
    x = 969,990.11

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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.