Home / 1,287,057.78-1,776,140.01-714,096.60

Finding the Fourth Proportional to 1,287,057.78, 1,776,140.01 and 714,096.60

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Solution

The fourth proportional to 1,287,057.78, 1,776,140.01 and 714,096.60 is: 985,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,057.78 : 1,776,140.01 = 714,096.60 : x
  2. Step 2: Convert to fraction form
    1,287,057.78/1,776,140.01 = 714,096.60/x
  3. Step 3: Cross multiply
    1,287,057.78x = 1,776,140.01 × 714,096.60
  4. Step 4: Simplify right side
    1,287,057.78x = 1,268,335,542,264.97
  5. Step 5: Solve for x
    x = 1,268,335,542,264.97/1,287,057.78
  6. Step 6: Final answer
    x = 985,453.46

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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.