Home / 1,191,147.10-1,786,788.75-338,152.03

Finding the Fourth Proportional to 1,191,147.10, 1,786,788.75 and 338,152.03

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Solution

The fourth proportional to 1,191,147.10, 1,786,788.75 and 338,152.03 is: 507,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,147.10 : 1,786,788.75 = 338,152.03 : x
  2. Step 2: Convert to fraction form
    1,191,147.10/1,786,788.75 = 338,152.03/x
  3. Step 3: Cross multiply
    1,191,147.10x = 1,786,788.75 × 338,152.03
  4. Step 4: Simplify right side
    1,191,147.10x = 604,206,242,993.66
  5. Step 5: Solve for x
    x = 604,206,242,993.66/1,191,147.10
  6. Step 6: Final answer
    x = 507,247.38

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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.