Home / 663,914.66-995,848.34-214,623.74

Finding the Fourth Proportional to 663,914.66, 995,848.34 and 214,623.74

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Solution

The fourth proportional to 663,914.66, 995,848.34 and 214,623.74 is: 321,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,914.66 : 995,848.34 = 214,623.74 : x
  2. Step 2: Convert to fraction form
    663,914.66/995,848.34 = 214,623.74/x
  3. Step 3: Cross multiply
    663,914.66x = 995,848.34 × 214,623.74
  4. Step 4: Simplify right side
    663,914.66x = 213,732,689,151.23
  5. Step 5: Solve for x
    x = 213,732,689,151.23/663,914.66
  6. Step 6: Final answer
    x = 321,927.96

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Double scale
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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.