Home / 875,855.70-1,313,783.55-822,711.60

Finding the Fourth Proportional to 875,855.70, 1,313,783.55 and 822,711.60

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Solution

The fourth proportional to 875,855.70, 1,313,783.55 and 822,711.60 is: 1,234,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,855.70 : 1,313,783.55 = 822,711.60 : x
  2. Step 2: Convert to fraction form
    875,855.70/1,313,783.55 = 822,711.60/x
  3. Step 3: Cross multiply
    875,855.70x = 1,313,783.55 × 822,711.60
  4. Step 4: Simplify right side
    875,855.70x = 1,080,864,966,474.18
  5. Step 5: Solve for x
    x = 1,080,864,966,474.18/875,855.70
  6. Step 6: Final answer
    x = 1,234,067.40

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Similar ratio
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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.