Home / 391,256.28-586,495.58-233,247.96

Finding the Fourth Proportional to 391,256.28, 586,495.58 and 233,247.96

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Solution

The fourth proportional to 391,256.28, 586,495.58 and 233,247.96 is: 349,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,256.28 : 586,495.58 = 233,247.96 : x
  2. Step 2: Convert to fraction form
    391,256.28/586,495.58 = 233,247.96/x
  3. Step 3: Cross multiply
    391,256.28x = 586,495.58 × 233,247.96
  4. Step 4: Simplify right side
    391,256.28x = 136,798,897,584.02
  5. Step 5: Solve for x
    x = 136,798,897,584.02/391,256.28
  6. Step 6: Final answer
    x = 349,640.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.