Home / 525,013.81-724,481.43-295,559.20

Finding the Fourth Proportional to 525,013.81, 724,481.43 and 295,559.20

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Solution

The fourth proportional to 525,013.81, 724,481.43 and 295,559.20 is: 407,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,013.81 : 724,481.43 = 295,559.20 : x
  2. Step 2: Convert to fraction form
    525,013.81/724,481.43 = 295,559.20/x
  3. Step 3: Cross multiply
    525,013.81x = 724,481.43 × 295,559.20
  4. Step 4: Simplify right side
    525,013.81x = 214,127,151,865.66
  5. Step 5: Solve for x
    x = 214,127,151,865.66/525,013.81
  6. Step 6: Final answer
    x = 407,850.51

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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.