Home / 525,482.03-724,890.26-331,819.54

Finding the Fourth Proportional to 525,482.03, 724,890.26 and 331,819.54

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Solution

The fourth proportional to 525,482.03, 724,890.26 and 331,819.54 is: 457,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,482.03 : 724,890.26 = 331,819.54 : x
  2. Step 2: Convert to fraction form
    525,482.03/724,890.26 = 331,819.54/x
  3. Step 3: Cross multiply
    525,482.03x = 724,890.26 × 331,819.54
  4. Step 4: Simplify right side
    525,482.03x = 240,532,751,641.00
  5. Step 5: Solve for x
    x = 240,532,751,641.00/525,482.03
  6. Step 6: Final answer
    x = 457,737.35

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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.