Home / 415,837.21-573,831.55-234,538.32

Finding the Fourth Proportional to 415,837.21, 573,831.55 and 234,538.32

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Solution

The fourth proportional to 415,837.21, 573,831.55 and 234,538.32 is: 323,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,837.21 : 573,831.55 = 234,538.32 : x
  2. Step 2: Convert to fraction form
    415,837.21/573,831.55 = 234,538.32/x
  3. Step 3: Cross multiply
    415,837.21x = 573,831.55 × 234,538.32
  4. Step 4: Simplify right side
    415,837.21x = 134,585,489,667.90
  5. Step 5: Solve for x
    x = 134,585,489,667.90/415,837.21
  6. Step 6: Final answer
    x = 323,649.47

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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.