Home / 1,253,091.14-1,729,219.50-680,119.01

Finding the Fourth Proportional to 1,253,091.14, 1,729,219.50 and 680,119.01

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Solution

The fourth proportional to 1,253,091.14, 1,729,219.50 and 680,119.01 is: 938,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,091.14 : 1,729,219.50 = 680,119.01 : x
  2. Step 2: Convert to fraction form
    1,253,091.14/1,729,219.50 = 680,119.01/x
  3. Step 3: Cross multiply
    1,253,091.14x = 1,729,219.50 × 680,119.01
  4. Step 4: Simplify right side
    1,253,091.14x = 1,176,075,054,412.70
  5. Step 5: Solve for x
    x = 1,176,075,054,412.70/1,253,091.14
  6. Step 6: Final answer
    x = 938,539.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.