Home / 1,175,116.70-1,762,806.72-1,054,431.66

Finding the Fourth Proportional to 1,175,116.70, 1,762,806.72 and 1,054,431.66

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Solution

The fourth proportional to 1,175,116.70, 1,762,806.72 and 1,054,431.66 is: 1,581,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,116.70 : 1,762,806.72 = 1,054,431.66 : x
  2. Step 2: Convert to fraction form
    1,175,116.70/1,762,806.72 = 1,054,431.66/x
  3. Step 3: Cross multiply
    1,175,116.70x = 1,762,806.72 × 1,054,431.66
  4. Step 4: Simplify right side
    1,175,116.70x = 1,858,759,216,028.76
  5. Step 5: Solve for x
    x = 1,858,759,216,028.76/1,175,116.70
  6. Step 6: Final answer
    x = 1,581,765.64

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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.