Home / 1,186,619.51-1,784,980.29-1,075,638.04

Finding the Fourth Proportional to 1,186,619.51, 1,784,980.29 and 1,075,638.04

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Solution

The fourth proportional to 1,186,619.51, 1,784,980.29 and 1,075,638.04 is: 1,618,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,619.51 : 1,784,980.29 = 1,075,638.04 : x
  2. Step 2: Convert to fraction form
    1,186,619.51/1,784,980.29 = 1,075,638.04/x
  3. Step 3: Cross multiply
    1,186,619.51x = 1,784,980.29 × 1,075,638.04
  4. Step 4: Simplify right side
    1,186,619.51x = 1,919,992,691,649.33
  5. Step 5: Solve for x
    x = 1,919,992,691,649.33/1,186,619.51
  6. Step 6: Final answer
    x = 1,618,035.67

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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.