Home / 1,777,620-2,666,708.08-579,264.16

Finding the Fourth Proportional to 1,777,620, 2,666,708.08 and 579,264.16

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Solution

The fourth proportional to 1,777,620, 2,666,708.08 and 579,264.16 is: 868,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,620 : 2,666,708.08 = 579,264.16 : x
  2. Step 2: Convert to fraction form
    1,777,620/2,666,708.08 = 579,264.16/x
  3. Step 3: Cross multiply
    1,777,620x = 2,666,708.08 × 579,264.16
  4. Step 4: Simplify right side
    1,777,620x = 1,544,728,415,926.41
  5. Step 5: Solve for x
    x = 1,544,728,415,926.41/1,777,620
  6. Step 6: Final answer
    x = 868,986.86

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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.