Home / 1,411,244.64-1,947,520.80-766,659.60

Finding the Fourth Proportional to 1,411,244.64, 1,947,520.80 and 766,659.60

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Solution

The fourth proportional to 1,411,244.64, 1,947,520.80 and 766,659.60 is: 1,057,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,244.64 : 1,947,520.80 = 766,659.60 : x
  2. Step 2: Convert to fraction form
    1,411,244.64/1,947,520.80 = 766,659.60/x
  3. Step 3: Cross multiply
    1,411,244.64x = 1,947,520.80 × 766,659.60
  4. Step 4: Simplify right side
    1,411,244.64x = 1,493,085,517,519.68
  5. Step 5: Solve for x
    x = 1,493,085,517,519.68/1,411,244.64
  6. Step 6: Final answer
    x = 1,057,991.98

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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.