Home / 698,245.27-963,579.10-396,439.27

Finding the Fourth Proportional to 698,245.27, 963,579.10 and 396,439.27

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Solution

The fourth proportional to 698,245.27, 963,579.10 and 396,439.27 is: 547,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,245.27 : 963,579.10 = 396,439.27 : x
  2. Step 2: Convert to fraction form
    698,245.27/963,579.10 = 396,439.27/x
  3. Step 3: Cross multiply
    698,245.27x = 963,579.10 × 396,439.27
  4. Step 4: Simplify right side
    698,245.27x = 382,000,594,991.26
  5. Step 5: Solve for x
    x = 382,000,594,991.26/698,245.27
  6. Step 6: Final answer
    x = 547,086.55

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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.