Home / 698,236.26-963,566.85-396,430.26

Finding the Fourth Proportional to 698,236.26, 963,566.85 and 396,430.26

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Solution

The fourth proportional to 698,236.26, 963,566.85 and 396,430.26 is: 547,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,236.26 : 963,566.85 = 396,430.26 : x
  2. Step 2: Convert to fraction form
    698,236.26/963,566.85 = 396,430.26/x
  3. Step 3: Cross multiply
    698,236.26x = 963,566.85 × 396,430.26
  4. Step 4: Simplify right side
    698,236.26x = 381,987,056,872.88
  5. Step 5: Solve for x
    x = 381,987,056,872.88/698,236.26
  6. Step 6: Final answer
    x = 547,074.22

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Double scale
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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.