Home / 822,865.50-1,135,057.85-543,464.40

Finding the Fourth Proportional to 822,865.50, 1,135,057.85 and 543,464.40

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Solution

The fourth proportional to 822,865.50, 1,135,057.85 and 543,464.40 is: 749,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,865.50 : 1,135,057.85 = 543,464.40 : x
  2. Step 2: Convert to fraction form
    822,865.50/1,135,057.85 = 543,464.40/x
  3. Step 3: Cross multiply
    822,865.50x = 1,135,057.85 × 543,464.40
  4. Step 4: Simplify right side
    822,865.50x = 616,863,530,698.22
  5. Step 5: Solve for x
    x = 616,863,530,698.22/822,865.50
  6. Step 6: Final answer
    x = 749,652.93

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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.