Home / 5,382,021.60-8,084,264.40-4,542,213.60

Finding the Fourth Proportional to 5,382,021.60, 8,084,264.40 and 4,542,213.60

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Solution

The fourth proportional to 5,382,021.60, 8,084,264.40 and 4,542,213.60 is: 6,822,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,021.60 : 8,084,264.40 = 4,542,213.60 : x
  2. Step 2: Convert to fraction form
    5,382,021.60/8,084,264.40 = 4,542,213.60/x
  3. Step 3: Cross multiply
    5,382,021.60x = 8,084,264.40 × 4,542,213.60
  4. Step 4: Simplify right side
    5,382,021.60x = 36,720,455,703,675.84
  5. Step 5: Solve for x
    x = 36,720,455,703,675.84/5,382,021.60
  6. Step 6: Final answer
    x = 6,822,799.76

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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.