Home / 1,070,218.40-1,606,105.20-439,584.80

Finding the Fourth Proportional to 1,070,218.40, 1,606,105.20 and 439,584.80

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Solution

The fourth proportional to 1,070,218.40, 1,606,105.20 and 439,584.80 is: 659,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,218.40 : 1,606,105.20 = 439,584.80 : x
  2. Step 2: Convert to fraction form
    1,070,218.40/1,606,105.20 = 439,584.80/x
  3. Step 3: Cross multiply
    1,070,218.40x = 1,606,105.20 × 439,584.80
  4. Step 4: Simplify right side
    1,070,218.40x = 706,019,433,120.96
  5. Step 5: Solve for x
    x = 706,019,433,120.96/1,070,218.40
  6. Step 6: Final answer
    x = 659,696.59

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1.5x scale

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.