Home / 678,793.86-1,018,193.22-229,518.45

Finding the Fourth Proportional to 678,793.86, 1,018,193.22 and 229,518.45

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Solution

The fourth proportional to 678,793.86, 1,018,193.22 and 229,518.45 is: 344,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,793.86 : 1,018,193.22 = 229,518.45 : x
  2. Step 2: Convert to fraction form
    678,793.86/1,018,193.22 = 229,518.45/x
  3. Step 3: Cross multiply
    678,793.86x = 1,018,193.22 × 229,518.45
  4. Step 4: Simplify right side
    678,793.86x = 233,694,129,654.91
  5. Step 5: Solve for x
    x = 233,694,129,654.91/678,793.86
  6. Step 6: Final answer
    x = 344,278.50

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Half scale
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Double scale
Find fourth proportional to 678,794.86, 1,018,194.72 and 229,519.45
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.