Home / 694,543.40-1,041,815.10-221,276.60

Finding the Fourth Proportional to 694,543.40, 1,041,815.10 and 221,276.60

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Solution

The fourth proportional to 694,543.40, 1,041,815.10 and 221,276.60 is: 331,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,543.40 : 1,041,815.10 = 221,276.60 : x
  2. Step 2: Convert to fraction form
    694,543.40/1,041,815.10 = 221,276.60/x
  3. Step 3: Cross multiply
    694,543.40x = 1,041,815.10 × 221,276.60
  4. Step 4: Simplify right side
    694,543.40x = 230,529,303,156.66
  5. Step 5: Solve for x
    x = 230,529,303,156.66/694,543.40
  6. Step 6: Final answer
    x = 331,914.90

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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.