Home / 405,923.81-608,947.99-294,445.76

Finding the Fourth Proportional to 405,923.81, 608,947.99 and 294,445.76

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Solution

The fourth proportional to 405,923.81, 608,947.99 and 294,445.76 is: 441,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,923.81 : 608,947.99 = 294,445.76 : x
  2. Step 2: Convert to fraction form
    405,923.81/608,947.99 = 294,445.76/x
  3. Step 3: Cross multiply
    405,923.81x = 608,947.99 × 294,445.76
  4. Step 4: Simplify right side
    405,923.81x = 179,302,149,935.17
  5. Step 5: Solve for x
    x = 179,302,149,935.17/405,923.81
  6. Step 6: Final answer
    x = 441,713.81

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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.