Home / 801,779.06-1,106,455.32-439,215.90

Finding the Fourth Proportional to 801,779.06, 1,106,455.32 and 439,215.90

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Solution

The fourth proportional to 801,779.06, 1,106,455.32 and 439,215.90 is: 606,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,779.06 : 1,106,455.32 = 439,215.90 : x
  2. Step 2: Convert to fraction form
    801,779.06/1,106,455.32 = 439,215.90/x
  3. Step 3: Cross multiply
    801,779.06x = 1,106,455.32 × 439,215.90
  4. Step 4: Simplify right side
    801,779.06x = 485,972,769,183.59
  5. Step 5: Solve for x
    x = 485,972,769,183.59/801,779.06
  6. Step 6: Final answer
    x = 606,118.06

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1.5x scale

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.