Home / 1,818,515.80-2,727,882.92-556,354.36

Finding the Fourth Proportional to 1,818,515.80, 2,727,882.92 and 556,354.36

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Solution

The fourth proportional to 1,818,515.80, 2,727,882.92 and 556,354.36 is: 834,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,515.80 : 2,727,882.92 = 556,354.36 : x
  2. Step 2: Convert to fraction form
    1,818,515.80/2,727,882.92 = 556,354.36/x
  3. Step 3: Cross multiply
    1,818,515.80x = 2,727,882.92 × 556,354.36
  4. Step 4: Simplify right side
    1,818,515.80x = 1,517,669,556,111.53
  5. Step 5: Solve for x
    x = 1,517,669,556,111.53/1,818,515.80
  6. Step 6: Final answer
    x = 834,564.95

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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.