Home / 1,287,014.36-1,776,080.03-714,053.16

Finding the Fourth Proportional to 1,287,014.36, 1,776,080.03 and 714,053.16

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Solution

The fourth proportional to 1,287,014.36, 1,776,080.03 and 714,053.16 is: 985,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,014.36 : 1,776,080.03 = 714,053.16 : x
  2. Step 2: Convert to fraction form
    1,287,014.36/1,776,080.03 = 714,053.16/x
  3. Step 3: Cross multiply
    1,287,014.36x = 1,776,080.03 × 714,053.16
  4. Step 4: Simplify right side
    1,287,014.36x = 1,268,215,557,834.39
  5. Step 5: Solve for x
    x = 1,268,215,557,834.39/1,287,014.36
  6. Step 6: Final answer
    x = 985,393.48

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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.