Home / 1,102,536.65-1,521,394.67-618,990.95

Finding the Fourth Proportional to 1,102,536.65, 1,521,394.67 and 618,990.95

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Solution

The fourth proportional to 1,102,536.65, 1,521,394.67 and 618,990.95 is: 854,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,536.65 : 1,521,394.67 = 618,990.95 : x
  2. Step 2: Convert to fraction form
    1,102,536.65/1,521,394.67 = 618,990.95/x
  3. Step 3: Cross multiply
    1,102,536.65x = 1,521,394.67 × 618,990.95
  4. Step 4: Simplify right side
    1,102,536.65x = 941,729,521,406.31
  5. Step 5: Solve for x
    x = 941,729,521,406.31/1,102,536.65
  6. Step 6: Final answer
    x = 854,148.05

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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.