Home / 1,502,571.21-2,253,881.52-423,109.73

Finding the Fourth Proportional to 1,502,571.21, 2,253,881.52 and 423,109.73

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Solution

The fourth proportional to 1,502,571.21, 2,253,881.52 and 423,109.73 is: 634,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,571.21 : 2,253,881.52 = 423,109.73 : x
  2. Step 2: Convert to fraction form
    1,502,571.21/2,253,881.52 = 423,109.73/x
  3. Step 3: Cross multiply
    1,502,571.21x = 2,253,881.52 × 423,109.73
  4. Step 4: Simplify right side
    1,502,571.21x = 953,639,190,109.78
  5. Step 5: Solve for x
    x = 953,639,190,109.78/1,502,571.21
  6. Step 6: Final answer
    x = 634,671.54

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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.