Home / 456,541.11-630,246.42-303,833.43

Finding the Fourth Proportional to 456,541.11, 630,246.42 and 303,833.43

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Solution

The fourth proportional to 456,541.11, 630,246.42 and 303,833.43 is: 419,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,541.11 : 630,246.42 = 303,833.43 : x
  2. Step 2: Convert to fraction form
    456,541.11/630,246.42 = 303,833.43/x
  3. Step 3: Cross multiply
    456,541.11x = 630,246.42 × 303,833.43
  4. Step 4: Simplify right side
    456,541.11x = 191,489,931,533.82
  5. Step 5: Solve for x
    x = 191,489,931,533.82/456,541.11
  6. Step 6: Final answer
    x = 419,436.34

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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.