Home / 440,032.64-607,228.80-238,824.32

Finding the Fourth Proportional to 440,032.64, 607,228.80 and 238,824.32

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Solution

The fourth proportional to 440,032.64, 607,228.80 and 238,824.32 is: 329,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,032.64 : 607,228.80 = 238,824.32 : x
  2. Step 2: Convert to fraction form
    440,032.64/607,228.80 = 238,824.32/x
  3. Step 3: Cross multiply
    440,032.64x = 607,228.80 × 238,824.32
  4. Step 4: Simplify right side
    440,032.64x = 145,021,005,244.42
  5. Step 5: Solve for x
    x = 145,021,005,244.42/440,032.64
  6. Step 6: Final answer
    x = 329,568.75

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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.