Home / 1,287,527.24-1,776,704.82-714,567.80

Finding the Fourth Proportional to 1,287,527.24, 1,776,704.82 and 714,567.80

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Solution

The fourth proportional to 1,287,527.24, 1,776,704.82 and 714,567.80 is: 986,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,527.24 : 1,776,704.82 = 714,567.80 : x
  2. Step 2: Convert to fraction form
    1,287,527.24/1,776,704.82 = 714,567.80/x
  3. Step 3: Cross multiply
    1,287,527.24x = 1,776,704.82 × 714,567.80
  4. Step 4: Simplify right side
    1,287,527.24x = 1,269,576,054,476.80
  5. Step 5: Solve for x
    x = 1,269,576,054,476.80/1,287,527.24
  6. Step 6: Final answer
    x = 986,057.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.