Home / 1,503,590.88-2,255,146.20-438,383.88

Finding the Fourth Proportional to 1,503,590.88, 2,255,146.20 and 438,383.88

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Solution

The fourth proportional to 1,503,590.88, 2,255,146.20 and 438,383.88 is: 657,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,590.88 : 2,255,146.20 = 438,383.88 : x
  2. Step 2: Convert to fraction form
    1,503,590.88/2,255,146.20 = 438,383.88/x
  3. Step 3: Cross multiply
    1,503,590.88x = 2,255,146.20 × 438,383.88
  4. Step 4: Simplify right side
    1,503,590.88x = 988,619,741,123.26
  5. Step 5: Solve for x
    x = 988,619,741,123.26/1,503,590.88
  6. Step 6: Final answer
    x = 657,505.81

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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.