Home / 1,017,443.49-1,526,197.81-511,728.45

Finding the Fourth Proportional to 1,017,443.49, 1,526,197.81 and 511,728.45

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Solution

The fourth proportional to 1,017,443.49, 1,526,197.81 and 511,728.45 is: 767,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,443.49 : 1,526,197.81 = 511,728.45 : x
  2. Step 2: Convert to fraction form
    1,017,443.49/1,526,197.81 = 511,728.45/x
  3. Step 3: Cross multiply
    1,017,443.49x = 1,526,197.81 × 511,728.45
  4. Step 4: Simplify right side
    1,017,443.49x = 780,998,839,704.70
  5. Step 5: Solve for x
    x = 780,998,839,704.70/1,017,443.49
  6. Step 6: Final answer
    x = 767,609.06

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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.