Home / 1,174,766.16-1,621,139.07-691,357.75

Finding the Fourth Proportional to 1,174,766.16, 1,621,139.07 and 691,357.75

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Solution

The fourth proportional to 1,174,766.16, 1,621,139.07 and 691,357.75 is: 954,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,766.16 : 1,621,139.07 = 691,357.75 : x
  2. Step 2: Convert to fraction form
    1,174,766.16/1,621,139.07 = 691,357.75/x
  3. Step 3: Cross multiply
    1,174,766.16x = 1,621,139.07 × 691,357.75
  4. Step 4: Simplify right side
    1,174,766.16x = 1,120,787,059,872.29
  5. Step 5: Solve for x
    x = 1,120,787,059,872.29/1,174,766.16
  6. Step 6: Final answer
    x = 954,051.20

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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.