Home / 801,779.15-1,106,458.39-439,205.53

Finding the Fourth Proportional to 801,779.15, 1,106,458.39 and 439,205.53

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Solution

The fourth proportional to 801,779.15, 1,106,458.39 and 439,205.53 is: 606,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,779.15 : 1,106,458.39 = 439,205.53 : x
  2. Step 2: Convert to fraction form
    801,779.15/1,106,458.39 = 439,205.53/x
  3. Step 3: Cross multiply
    801,779.15x = 1,106,458.39 × 439,205.53
  4. Step 4: Simplify right side
    801,779.15x = 485,962,643,602.90
  5. Step 5: Solve for x
    x = 485,962,643,602.90/801,779.15
  6. Step 6: Final answer
    x = 606,105.36

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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.