Home / 1,284,664.80-1,772,851.68-711,714

Finding the Fourth Proportional to 1,284,664.80, 1,772,851.68 and 711,714

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Solution

The fourth proportional to 1,284,664.80, 1,772,851.68 and 711,714 is: 982,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,664.80 : 1,772,851.68 = 711,714 : x
  2. Step 2: Convert to fraction form
    1,284,664.80/1,772,851.68 = 711,714/x
  3. Step 3: Cross multiply
    1,284,664.80x = 1,772,851.68 × 711,714
  4. Step 4: Simplify right side
    1,284,664.80x = 1,261,763,360,579.52
  5. Step 5: Solve for x
    x = 1,261,763,360,579.52/1,284,664.80
  6. Step 6: Final answer
    x = 982,173.22

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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.