Home / 744,900.84-1,027,986.48-422,624.52

Finding the Fourth Proportional to 744,900.84, 1,027,986.48 and 422,624.52

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Solution

The fourth proportional to 744,900.84, 1,027,986.48 and 422,624.52 is: 583,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,900.84 : 1,027,986.48 = 422,624.52 : x
  2. Step 2: Convert to fraction form
    744,900.84/1,027,986.48 = 422,624.52/x
  3. Step 3: Cross multiply
    744,900.84x = 1,027,986.48 × 422,624.52
  4. Step 4: Simplify right side
    744,900.84x = 434,452,292,676.49
  5. Step 5: Solve for x
    x = 434,452,292,676.49/744,900.84
  6. Step 6: Final answer
    x = 583,235.07

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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.