Home / 1,175,145.84-1,611,139.86-1,153,888.20

Finding the Fourth Proportional to 1,175,145.84, 1,611,139.86 and 1,153,888.20

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Solution

The fourth proportional to 1,175,145.84, 1,611,139.86 and 1,153,888.20 is: 1,581,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,145.84 : 1,611,139.86 = 1,153,888.20 : x
  2. Step 2: Convert to fraction form
    1,175,145.84/1,611,139.86 = 1,153,888.20/x
  3. Step 3: Cross multiply
    1,175,145.84x = 1,611,139.86 × 1,153,888.20
  4. Step 4: Simplify right side
    1,175,145.84x = 1,859,075,273,003.65
  5. Step 5: Solve for x
    x = 1,859,075,273,003.65/1,175,145.84
  6. Step 6: Final answer
    x = 1,581,995.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.