Home / 759,261.24-1,047,735.54-419,709.24

Finding the Fourth Proportional to 759,261.24, 1,047,735.54 and 419,709.24

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Solution

The fourth proportional to 759,261.24, 1,047,735.54 and 419,709.24 is: 579,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,261.24 : 1,047,735.54 = 419,709.24 : x
  2. Step 2: Convert to fraction form
    759,261.24/1,047,735.54 = 419,709.24/x
  3. Step 3: Cross multiply
    759,261.24x = 1,047,735.54 × 419,709.24
  4. Step 4: Simplify right side
    759,261.24x = 439,744,287,214.39
  5. Step 5: Solve for x
    x = 439,744,287,214.39/759,261.24
  6. Step 6: Final answer
    x = 579,173.89

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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.