Home / 986,989.48-1,361,963.46-579,048.64

Finding the Fourth Proportional to 986,989.48, 1,361,963.46 and 579,048.64

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Solution

The fourth proportional to 986,989.48, 1,361,963.46 and 579,048.64 is: 799,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,989.48 : 1,361,963.46 = 579,048.64 : x
  2. Step 2: Convert to fraction form
    986,989.48/1,361,963.46 = 579,048.64/x
  3. Step 3: Cross multiply
    986,989.48x = 1,361,963.46 × 579,048.64
  4. Step 4: Simplify right side
    986,989.48x = 788,643,089,242.70
  5. Step 5: Solve for x
    x = 788,643,089,242.70/986,989.48
  6. Step 6: Final answer
    x = 799,039.00

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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.