Home / 694,154.99-1,041,331.23-214,423.55

Finding the Fourth Proportional to 694,154.99, 1,041,331.23 and 214,423.55

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Solution

The fourth proportional to 694,154.99, 1,041,331.23 and 214,423.55 is: 321,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,154.99 : 1,041,331.23 = 214,423.55 : x
  2. Step 2: Convert to fraction form
    694,154.99/1,041,331.23 = 214,423.55/x
  3. Step 3: Cross multiply
    694,154.99x = 1,041,331.23 × 214,423.55
  4. Step 4: Simplify right side
    694,154.99x = 223,285,939,062.47
  5. Step 5: Solve for x
    x = 223,285,939,062.47/694,154.99
  6. Step 6: Final answer
    x = 321,665.83

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Double scale
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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.