Home / 429,680.86-592,939.47-238,705.90

Finding the Fourth Proportional to 429,680.86, 592,939.47 and 238,705.90

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Solution

The fourth proportional to 429,680.86, 592,939.47 and 238,705.90 is: 329,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,680.86 : 592,939.47 = 238,705.90 : x
  2. Step 2: Convert to fraction form
    429,680.86/592,939.47 = 238,705.90/x
  3. Step 3: Cross multiply
    429,680.86x = 592,939.47 × 238,705.90
  4. Step 4: Simplify right side
    429,680.86x = 141,538,149,831.87
  5. Step 5: Solve for x
    x = 141,538,149,831.87/429,680.86
  6. Step 6: Final answer
    x = 329,402.97

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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.