Home / 1,287,015.32-1,776,081.38-714,054.13

Finding the Fourth Proportional to 1,287,015.32, 1,776,081.38 and 714,054.13

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Solution

The fourth proportional to 1,287,015.32, 1,776,081.38 and 714,054.13 is: 985,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,015.32 : 1,776,081.38 = 714,054.13 : x
  2. Step 2: Convert to fraction form
    1,287,015.32/1,776,081.38 = 714,054.13/x
  3. Step 3: Cross multiply
    1,287,015.32x = 1,776,081.38 × 714,054.13
  4. Step 4: Simplify right side
    1,287,015.32x = 1,268,218,236,594.63
  5. Step 5: Solve for x
    x = 1,268,218,236,594.63/1,287,015.32
  6. Step 6: Final answer
    x = 985,394.82

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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.