Home / 418,790.27-577,927.95-227,804.42

Finding the Fourth Proportional to 418,790.27, 577,927.95 and 227,804.42

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Solution

The fourth proportional to 418,790.27, 577,927.95 and 227,804.42 is: 314,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,790.27 : 577,927.95 = 227,804.42 : x
  2. Step 2: Convert to fraction form
    418,790.27/577,927.95 = 227,804.42/x
  3. Step 3: Cross multiply
    418,790.27x = 577,927.95 × 227,804.42
  4. Step 4: Simplify right side
    418,790.27x = 131,654,541,451.54
  5. Step 5: Solve for x
    x = 131,654,541,451.54/418,790.27
  6. Step 6: Final answer
    x = 314,368.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.