Home / 1,171,224.09-1,616,222.16-647,903.48

Finding the Fourth Proportional to 1,171,224.09, 1,616,222.16 and 647,903.48

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Solution

The fourth proportional to 1,171,224.09, 1,616,222.16 and 647,903.48 is: 894,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,224.09 : 1,616,222.16 = 647,903.48 : x
  2. Step 2: Convert to fraction form
    1,171,224.09/1,616,222.16 = 647,903.48/x
  3. Step 3: Cross multiply
    1,171,224.09x = 1,616,222.16 × 647,903.48
  4. Step 4: Simplify right side
    1,171,224.09x = 1,047,155,953,836.01
  5. Step 5: Solve for x
    x = 1,047,155,953,836.01/1,171,224.09
  6. Step 6: Final answer
    x = 894,069.69

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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.