Home / 438,795.04-658,218.08-123,276.56

Finding the Fourth Proportional to 438,795.04, 658,218.08 and 123,276.56

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Solution

The fourth proportional to 438,795.04, 658,218.08 and 123,276.56 is: 184,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,795.04 : 658,218.08 = 123,276.56 : x
  2. Step 2: Convert to fraction form
    438,795.04/658,218.08 = 123,276.56/x
  3. Step 3: Cross multiply
    438,795.04x = 658,218.08 × 123,276.56
  4. Step 4: Simplify right side
    438,795.04x = 81,142,860,632.20
  5. Step 5: Solve for x
    x = 81,142,860,632.20/438,795.04
  6. Step 6: Final answer
    x = 184,922.01

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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.