Home / 1,304,348.80-1,954,190.40-805,129.60

Finding the Fourth Proportional to 1,304,348.80, 1,954,190.40 and 805,129.60

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Solution

The fourth proportional to 1,304,348.80, 1,954,190.40 and 805,129.60 is: 1,206,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,348.80 : 1,954,190.40 = 805,129.60 : x
  2. Step 2: Convert to fraction form
    1,304,348.80/1,954,190.40 = 805,129.60/x
  3. Step 3: Cross multiply
    1,304,348.80x = 1,954,190.40 × 805,129.60
  4. Step 4: Simplify right side
    1,304,348.80x = 1,573,376,535,075.84
  5. Step 5: Solve for x
    x = 1,573,376,535,075.84/1,304,348.80
  6. Step 6: Final answer
    x = 1,206,254.44

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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.