Home / 451,773.12-623,342.25-270,416.10

Finding the Fourth Proportional to 451,773.12, 623,342.25 and 270,416.10

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Solution

The fourth proportional to 451,773.12, 623,342.25 and 270,416.10 is: 373,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,773.12 : 623,342.25 = 270,416.10 : x
  2. Step 2: Convert to fraction form
    451,773.12/623,342.25 = 270,416.10/x
  3. Step 3: Cross multiply
    451,773.12x = 623,342.25 × 270,416.10
  4. Step 4: Simplify right side
    451,773.12x = 168,561,780,210.23
  5. Step 5: Solve for x
    x = 168,561,780,210.23/451,773.12
  6. Step 6: Final answer
    x = 373,111.57

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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.