Home / 1,116,775.59-1,670,936.13-661,611.18

Finding the Fourth Proportional to 1,116,775.59, 1,670,936.13 and 661,611.18

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Solution

The fourth proportional to 1,116,775.59, 1,670,936.13 and 661,611.18 is: 989,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,775.59 : 1,670,936.13 = 661,611.18 : x
  2. Step 2: Convert to fraction form
    1,116,775.59/1,670,936.13 = 661,611.18/x
  3. Step 3: Cross multiply
    1,116,775.59x = 1,670,936.13 × 661,611.18
  4. Step 4: Simplify right side
    1,116,775.59x = 1,105,510,024,673.93
  5. Step 5: Solve for x
    x = 1,105,510,024,673.93/1,116,775.59
  6. Step 6: Final answer
    x = 989,912.42

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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.