Home / 440,056.64-607,261.92-238,848.32

Finding the Fourth Proportional to 440,056.64, 607,261.92 and 238,848.32

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Solution

The fourth proportional to 440,056.64, 607,261.92 and 238,848.32 is: 329,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,056.64 : 607,261.92 = 238,848.32 : x
  2. Step 2: Convert to fraction form
    440,056.64/607,261.92 = 238,848.32/x
  3. Step 3: Cross multiply
    440,056.64x = 607,261.92 × 238,848.32
  4. Step 4: Simplify right side
    440,056.64x = 145,043,489,391.97
  5. Step 5: Solve for x
    x = 145,043,489,391.97/440,056.64
  6. Step 6: Final answer
    x = 329,601.87

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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.