Home / 1,183,221.83-1,632,975.86-686,615.12

Finding the Fourth Proportional to 1,183,221.83, 1,632,975.86 and 686,615.12

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Solution

The fourth proportional to 1,183,221.83, 1,632,975.86 and 686,615.12 is: 947,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,221.83 : 1,632,975.86 = 686,615.12 : x
  2. Step 2: Convert to fraction form
    1,183,221.83/1,632,975.86 = 686,615.12/x
  3. Step 3: Cross multiply
    1,183,221.83x = 1,632,975.86 × 686,615.12
  4. Step 4: Simplify right side
    1,183,221.83x = 1,121,225,904,473.05
  5. Step 5: Solve for x
    x = 1,121,225,904,473.05/1,183,221.83
  6. Step 6: Final answer
    x = 947,604.14

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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.