Home / 440,027.49-607,238.34-238,823.49

Finding the Fourth Proportional to 440,027.49, 607,238.34 and 238,823.49

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Solution

The fourth proportional to 440,027.49, 607,238.34 and 238,823.49 is: 329,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,027.49 : 607,238.34 = 238,823.49 : x
  2. Step 2: Convert to fraction form
    440,027.49/607,238.34 = 238,823.49/x
  3. Step 3: Cross multiply
    440,027.49x = 607,238.34 × 238,823.49
  4. Step 4: Simplify right side
    440,027.49x = 145,022,779,620.61
  5. Step 5: Solve for x
    x = 145,022,779,620.61/440,027.49
  6. Step 6: Final answer
    x = 329,576.64

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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.