Home / 479,005.95-718,566.21-194,635.74

Finding the Fourth Proportional to 479,005.95, 718,566.21 and 194,635.74

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Solution

The fourth proportional to 479,005.95, 718,566.21 and 194,635.74 is: 291,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,005.95 : 718,566.21 = 194,635.74 : x
  2. Step 2: Convert to fraction form
    479,005.95/718,566.21 = 194,635.74/x
  3. Step 3: Cross multiply
    479,005.95x = 718,566.21 × 194,635.74
  4. Step 4: Simplify right side
    479,005.95x = 139,858,666,022.35
  5. Step 5: Solve for x
    x = 139,858,666,022.35/479,005.95
  6. Step 6: Final answer
    x = 291,976.89

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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.