Home / 1,017,443.61-1,526,198.00-511,728.57

Finding the Fourth Proportional to 1,017,443.61, 1,526,198.00 and 511,728.57

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Solution

The fourth proportional to 1,017,443.61, 1,526,198.00 and 511,728.57 is: 767,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,443.61 : 1,526,198.00 = 511,728.57 : x
  2. Step 2: Convert to fraction form
    1,017,443.61/1,526,198.00 = 511,728.57/x
  3. Step 3: Cross multiply
    1,017,443.61x = 1,526,198.00 × 511,728.57
  4. Step 4: Simplify right side
    1,017,443.61x = 780,999,117,518.22
  5. Step 5: Solve for x
    x = 780,999,117,518.22/1,017,443.61
  6. Step 6: Final answer
    x = 767,609.24

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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.