Home / 482,543.96-723,821.18-145,587.63

Finding the Fourth Proportional to 482,543.96, 723,821.18 and 145,587.63

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Solution

The fourth proportional to 482,543.96, 723,821.18 and 145,587.63 is: 218,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,543.96 : 723,821.18 = 145,587.63 : x
  2. Step 2: Convert to fraction form
    482,543.96/723,821.18 = 145,587.63/x
  3. Step 3: Cross multiply
    482,543.96x = 723,821.18 × 145,587.63
  4. Step 4: Simplify right side
    482,543.96x = 105,379,410,140.00
  5. Step 5: Solve for x
    x = 105,379,410,140.00/482,543.96
  6. Step 6: Final answer
    x = 218,383.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.