Home / 1,069,865.20-1,603,107.57-395,016.40

Finding the Fourth Proportional to 1,069,865.20, 1,603,107.57 and 395,016.40

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Solution

The fourth proportional to 1,069,865.20, 1,603,107.57 and 395,016.40 is: 591,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,865.20 : 1,603,107.57 = 395,016.40 : x
  2. Step 2: Convert to fraction form
    1,069,865.20/1,603,107.57 = 395,016.40/x
  3. Step 3: Cross multiply
    1,069,865.20x = 1,603,107.57 × 395,016.40
  4. Step 4: Simplify right side
    1,069,865.20x = 633,253,781,114.15
  5. Step 5: Solve for x
    x = 633,253,781,114.15/1,069,865.20
  6. Step 6: Final answer
    x = 591,900.53

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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.