Home / 544,529.30-751,340.32-318,131.06

Finding the Fourth Proportional to 544,529.30, 751,340.32 and 318,131.06

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Solution

The fourth proportional to 544,529.30, 751,340.32 and 318,131.06 is: 438,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,529.30 : 751,340.32 = 318,131.06 : x
  2. Step 2: Convert to fraction form
    544,529.30/751,340.32 = 318,131.06/x
  3. Step 3: Cross multiply
    544,529.30x = 751,340.32 × 318,131.06
  4. Step 4: Simplify right side
    544,529.30x = 239,024,692,422.34
  5. Step 5: Solve for x
    x = 239,024,692,422.34/544,529.30
  6. Step 6: Final answer
    x = 438,956.53

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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.