Home / 1,908,716.06-2,862,999.30-646,543.64

Finding the Fourth Proportional to 1,908,716.06, 2,862,999.30 and 646,543.64

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Solution

The fourth proportional to 1,908,716.06, 2,862,999.30 and 646,543.64 is: 969,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,716.06 : 2,862,999.30 = 646,543.64 : x
  2. Step 2: Convert to fraction form
    1,908,716.06/2,862,999.30 = 646,543.64/x
  3. Step 3: Cross multiply
    1,908,716.06x = 2,862,999.30 × 646,543.64
  4. Step 4: Simplify right side
    1,908,716.06x = 1,851,053,988,739.45
  5. Step 5: Solve for x
    x = 1,851,053,988,739.45/1,908,716.06
  6. Step 6: Final answer
    x = 969,790.13

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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.