Home / 1,075,433.95-1,611,822.32-543,107.22

Finding the Fourth Proportional to 1,075,433.95, 1,611,822.32 and 543,107.22

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Solution

The fourth proportional to 1,075,433.95, 1,611,822.32 and 543,107.22 is: 813,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,433.95 : 1,611,822.32 = 543,107.22 : x
  2. Step 2: Convert to fraction form
    1,075,433.95/1,611,822.32 = 543,107.22/x
  3. Step 3: Cross multiply
    1,075,433.95x = 1,611,822.32 × 543,107.22
  4. Step 4: Simplify right side
    1,075,433.95x = 875,392,339,349.15
  5. Step 5: Solve for x
    x = 875,392,339,349.15/1,075,433.95
  6. Step 6: Final answer
    x = 813,989.87

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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.