Home / 1,909,057.14-2,862,980.64-646,589.52

Finding the Fourth Proportional to 1,909,057.14, 2,862,980.64 and 646,589.52

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Solution

The fourth proportional to 1,909,057.14, 2,862,980.64 and 646,589.52 is: 969,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,057.14 : 2,862,980.64 = 646,589.52 : x
  2. Step 2: Convert to fraction form
    1,909,057.14/2,862,980.64 = 646,589.52/x
  3. Step 3: Cross multiply
    1,909,057.14x = 2,862,980.64 × 646,589.52
  4. Step 4: Simplify right side
    1,909,057.14x = 1,851,173,277,786.89
  5. Step 5: Solve for x
    x = 1,851,173,277,786.89/1,909,057.14
  6. Step 6: Final answer
    x = 969,679.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.