Home / 457,048.56-630,622.62-293,790.36

Finding the Fourth Proportional to 457,048.56, 630,622.62 and 293,790.36

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Solution

The fourth proportional to 457,048.56, 630,622.62 and 293,790.36 is: 405,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,048.56 : 630,622.62 = 293,790.36 : x
  2. Step 2: Convert to fraction form
    457,048.56/630,622.62 = 293,790.36/x
  3. Step 3: Cross multiply
    457,048.56x = 630,622.62 × 293,790.36
  4. Step 4: Simplify right side
    457,048.56x = 185,270,846,553.94
  5. Step 5: Solve for x
    x = 185,270,846,553.94/457,048.56
  6. Step 6: Final answer
    x = 405,363.59

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1.5x scale

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.