Home / 1,611,438.80-2,418,907.80-1,013,075.60

Finding the Fourth Proportional to 1,611,438.80, 2,418,907.80 and 1,013,075.60

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Solution

The fourth proportional to 1,611,438.80, 2,418,907.80 and 1,013,075.60 is: 1,520,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,438.80 : 2,418,907.80 = 1,013,075.60 : x
  2. Step 2: Convert to fraction form
    1,611,438.80/2,418,907.80 = 1,013,075.60/x
  3. Step 3: Cross multiply
    1,611,438.80x = 2,418,907.80 × 1,013,075.60
  4. Step 4: Simplify right side
    1,611,438.80x = 2,450,536,470,829.68
  5. Step 5: Solve for x
    x = 2,450,536,470,829.68/1,611,438.80
  6. Step 6: Final answer
    x = 1,520,713.33

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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.