Home / 1,160,867.09-1,602,003.62-644,629.39

Finding the Fourth Proportional to 1,160,867.09, 1,602,003.62 and 644,629.39

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Solution

The fourth proportional to 1,160,867.09, 1,602,003.62 and 644,629.39 is: 889,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,867.09 : 1,602,003.62 = 644,629.39 : x
  2. Step 2: Convert to fraction form
    1,160,867.09/1,602,003.62 = 644,629.39/x
  3. Step 3: Cross multiply
    1,160,867.09x = 1,602,003.62 × 644,629.39
  4. Step 4: Simplify right side
    1,160,867.09x = 1,032,698,613,944.96
  5. Step 5: Solve for x
    x = 1,032,698,613,944.96/1,160,867.09
  6. Step 6: Final answer
    x = 889,592.46

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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.