Home / 1,400,517.90-2,095,938.45-839,954.70

Finding the Fourth Proportional to 1,400,517.90, 2,095,938.45 and 839,954.70

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Solution

The fourth proportional to 1,400,517.90, 2,095,938.45 and 839,954.70 is: 1,257,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,517.90 : 2,095,938.45 = 839,954.70 : x
  2. Step 2: Convert to fraction form
    1,400,517.90/2,095,938.45 = 839,954.70/x
  3. Step 3: Cross multiply
    1,400,517.90x = 2,095,938.45 × 839,954.70
  4. Step 4: Simplify right side
    1,400,517.90x = 1,760,493,351,988.22
  5. Step 5: Solve for x
    x = 1,760,493,351,988.22/1,400,517.90
  6. Step 6: Final answer
    x = 1,257,030.24

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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.