Home / 1,241,809.53-1,861,156.05-531,001.72

Finding the Fourth Proportional to 1,241,809.53, 1,861,156.05 and 531,001.72

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Solution

The fourth proportional to 1,241,809.53, 1,861,156.05 and 531,001.72 is: 795,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,809.53 : 1,861,156.05 = 531,001.72 : x
  2. Step 2: Convert to fraction form
    1,241,809.53/1,861,156.05 = 531,001.72/x
  3. Step 3: Cross multiply
    1,241,809.53x = 1,861,156.05 × 531,001.72
  4. Step 4: Simplify right side
    1,241,809.53x = 988,277,063,738.41
  5. Step 5: Solve for x
    x = 988,277,063,738.41/1,241,809.53
  6. Step 6: Final answer
    x = 795,836.27

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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.