Home / 1,908,699.81-2,862,974.93-646,527.39

Finding the Fourth Proportional to 1,908,699.81, 2,862,974.93 and 646,527.39

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Solution

The fourth proportional to 1,908,699.81, 2,862,974.93 and 646,527.39 is: 969,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,699.81 : 2,862,974.93 = 646,527.39 : x
  2. Step 2: Convert to fraction form
    1,908,699.81/2,862,974.93 = 646,527.39/x
  3. Step 3: Cross multiply
    1,908,699.81x = 2,862,974.93 × 646,527.39
  4. Step 4: Simplify right side
    1,908,699.81x = 1,850,991,705,895.70
  5. Step 5: Solve for x
    x = 1,850,991,705,895.70/1,908,699.81
  6. Step 6: Final answer
    x = 969,765.75

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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.