Home / 1,036,716.55-1,555,074.83-438,353.35

Finding the Fourth Proportional to 1,036,716.55, 1,555,074.83 and 438,353.35

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Solution

The fourth proportional to 1,036,716.55, 1,555,074.83 and 438,353.35 is: 657,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,716.55 : 1,555,074.83 = 438,353.35 : x
  2. Step 2: Convert to fraction form
    1,036,716.55/1,555,074.83 = 438,353.35/x
  3. Step 3: Cross multiply
    1,036,716.55x = 1,555,074.83 × 438,353.35
  4. Step 4: Simplify right side
    1,036,716.55x = 681,672,261,231.18
  5. Step 5: Solve for x
    x = 681,672,261,231.18/1,036,716.55
  6. Step 6: Final answer
    x = 657,530.03

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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.