Home / 1,415,163.42-2,122,763.57-404,318.35

Finding the Fourth Proportional to 1,415,163.42, 2,122,763.57 and 404,318.35

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Solution

The fourth proportional to 1,415,163.42, 2,122,763.57 and 404,318.35 is: 606,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,163.42 : 2,122,763.57 = 404,318.35 : x
  2. Step 2: Convert to fraction form
    1,415,163.42/2,122,763.57 = 404,318.35/x
  3. Step 3: Cross multiply
    1,415,163.42x = 2,122,763.57 × 404,318.35
  4. Step 4: Simplify right side
    1,415,163.42x = 858,272,265,073.31
  5. Step 5: Solve for x
    x = 858,272,265,073.31/1,415,163.42
  6. Step 6: Final answer
    x = 606,482.80

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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.