Home / 1,287,015.60-1,776,081.75-714,054.41

Finding the Fourth Proportional to 1,287,015.60, 1,776,081.75 and 714,054.41

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Solution

The fourth proportional to 1,287,015.60, 1,776,081.75 and 714,054.41 is: 985,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,015.60 : 1,776,081.75 = 714,054.41 : x
  2. Step 2: Convert to fraction form
    1,287,015.60/1,776,081.75 = 714,054.41/x
  3. Step 3: Cross multiply
    1,287,015.60x = 1,776,081.75 × 714,054.41
  4. Step 4: Simplify right side
    1,287,015.60x = 1,268,218,997,227.61
  5. Step 5: Solve for x
    x = 1,268,218,997,227.61/1,287,015.60
  6. Step 6: Final answer
    x = 985,395.20

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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.