Home / 1,287,018.44-1,776,297.40-714,243.16

Finding the Fourth Proportional to 1,287,018.44, 1,776,297.40 and 714,243.16

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Solution

The fourth proportional to 1,287,018.44, 1,776,297.40 and 714,243.16 is: 985,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,018.44 : 1,776,297.40 = 714,243.16 : x
  2. Step 2: Convert to fraction form
    1,287,018.44/1,776,297.40 = 714,243.16/x
  3. Step 3: Cross multiply
    1,287,018.44x = 1,776,297.40 × 714,243.16
  4. Step 4: Simplify right side
    1,287,018.44x = 1,268,708,268,075.78
  5. Step 5: Solve for x
    x = 1,268,708,268,075.78/1,287,018.44
  6. Step 6: Final answer
    x = 985,773.19

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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.