Home / 457,548.56-631,433.20-276,225.08

Finding the Fourth Proportional to 457,548.56, 631,433.20 and 276,225.08

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Solution

The fourth proportional to 457,548.56, 631,433.20 and 276,225.08 is: 381,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,548.56 : 631,433.20 = 276,225.08 : x
  2. Step 2: Convert to fraction form
    457,548.56/631,433.20 = 276,225.08/x
  3. Step 3: Cross multiply
    457,548.56x = 631,433.20 × 276,225.08
  4. Step 4: Simplify right side
    457,548.56x = 174,417,686,184.66
  5. Step 5: Solve for x
    x = 174,417,686,184.66/457,548.56
  6. Step 6: Final answer
    x = 381,200.38

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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.