Home / 1,338,778.34-2,008,237.62-1,019,431.08

Finding the Fourth Proportional to 1,338,778.34, 2,008,237.62 and 1,019,431.08

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Solution

The fourth proportional to 1,338,778.34, 2,008,237.62 and 1,019,431.08 is: 1,529,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,778.34 : 2,008,237.62 = 1,019,431.08 : x
  2. Step 2: Convert to fraction form
    1,338,778.34/2,008,237.62 = 1,019,431.08/x
  3. Step 3: Cross multiply
    1,338,778.34x = 2,008,237.62 × 1,019,431.08
  4. Step 4: Simplify right side
    1,338,778.34x = 2,047,259,845,853.23
  5. Step 5: Solve for x
    x = 2,047,259,845,853.23/1,338,778.34
  6. Step 6: Final answer
    x = 1,529,200.01

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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.