Home / 1,175,781.41-1,622,602.75-666,483.78

Finding the Fourth Proportional to 1,175,781.41, 1,622,602.75 and 666,483.78

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Solution

The fourth proportional to 1,175,781.41, 1,622,602.75 and 666,483.78 is: 919,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,781.41 : 1,622,602.75 = 666,483.78 : x
  2. Step 2: Convert to fraction form
    1,175,781.41/1,622,602.75 = 666,483.78/x
  3. Step 3: Cross multiply
    1,175,781.41x = 1,622,602.75 × 666,483.78
  4. Step 4: Simplify right side
    1,175,781.41x = 1,081,438,414,258.40
  5. Step 5: Solve for x
    x = 1,081,438,414,258.40/1,175,781.41
  6. Step 6: Final answer
    x = 919,761.45

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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.