Home / 1,450,558.40-2,001,653.37-838,750.78

Finding the Fourth Proportional to 1,450,558.40, 2,001,653.37 and 838,750.78

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Solution

The fourth proportional to 1,450,558.40, 2,001,653.37 and 838,750.78 is: 1,157,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,558.40 : 2,001,653.37 = 838,750.78 : x
  2. Step 2: Convert to fraction form
    1,450,558.40/2,001,653.37 = 838,750.78/x
  3. Step 3: Cross multiply
    1,450,558.40x = 2,001,653.37 × 838,750.78
  4. Step 4: Simplify right side
    1,450,558.40x = 1,678,888,327,879.20
  5. Step 5: Solve for x
    x = 1,678,888,327,879.20/1,450,558.40
  6. Step 6: Final answer
    x = 1,157,408.30

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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.