Home / 939,523.25-1,409,284.19-539,909.15

Finding the Fourth Proportional to 939,523.25, 1,409,284.19 and 539,909.15

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Solution

The fourth proportional to 939,523.25, 1,409,284.19 and 539,909.15 is: 809,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,523.25 : 1,409,284.19 = 539,909.15 : x
  2. Step 2: Convert to fraction form
    939,523.25/1,409,284.19 = 539,909.15/x
  3. Step 3: Cross multiply
    939,523.25x = 1,409,284.19 × 539,909.15
  4. Step 4: Simplify right side
    939,523.25x = 760,885,419,385.37
  5. Step 5: Solve for x
    x = 760,885,419,385.37/939,523.25
  6. Step 6: Final answer
    x = 809,863.32

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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.