Home / 982,064.64-1,355,289.60-552,364.80

Finding the Fourth Proportional to 982,064.64, 1,355,289.60 and 552,364.80

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Solution

The fourth proportional to 982,064.64, 1,355,289.60 and 552,364.80 is: 762,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,064.64 : 1,355,289.60 = 552,364.80 : x
  2. Step 2: Convert to fraction form
    982,064.64/1,355,289.60 = 552,364.80/x
  3. Step 3: Cross multiply
    982,064.64x = 1,355,289.60 × 552,364.80
  4. Step 4: Simplify right side
    982,064.64x = 748,614,268,846.08
  5. Step 5: Solve for x
    x = 748,614,268,846.08/982,064.64
  6. Step 6: Final answer
    x = 762,286.15

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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.