Home / 525,173.76-724,742.78-298,819.26

Finding the Fourth Proportional to 525,173.76, 724,742.78 and 298,819.26

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Solution

The fourth proportional to 525,173.76, 724,742.78 and 298,819.26 is: 412,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,173.76 : 724,742.78 = 298,819.26 : x
  2. Step 2: Convert to fraction form
    525,173.76/724,742.78 = 298,819.26/x
  3. Step 3: Cross multiply
    525,173.76x = 724,742.78 × 298,819.26
  4. Step 4: Simplify right side
    525,173.76x = 216,567,099,715.85
  5. Step 5: Solve for x
    x = 216,567,099,715.85/525,173.76
  6. Step 6: Final answer
    x = 412,372.28

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1.5x scale

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.