Home / 991,744.56-1,368,607.38-589,336.56

Finding the Fourth Proportional to 991,744.56, 1,368,607.38 and 589,336.56

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Solution

The fourth proportional to 991,744.56, 1,368,607.38 and 589,336.56 is: 813,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,744.56 : 1,368,607.38 = 589,336.56 : x
  2. Step 2: Convert to fraction form
    991,744.56/1,368,607.38 = 589,336.56/x
  3. Step 3: Cross multiply
    991,744.56x = 1,368,607.38 × 589,336.56
  4. Step 4: Simplify right side
    991,744.56x = 806,570,365,319.81
  5. Step 5: Solve for x
    x = 806,570,365,319.81/991,744.56
  6. Step 6: Final answer
    x = 813,284.39

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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.