Home / 451,373.23-623,316.42-290,508.44

Finding the Fourth Proportional to 451,373.23, 623,316.42 and 290,508.44

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Solution

The fourth proportional to 451,373.23, 623,316.42 and 290,508.44 is: 401,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,373.23 : 623,316.42 = 290,508.44 : x
  2. Step 2: Convert to fraction form
    451,373.23/623,316.42 = 290,508.44/x
  3. Step 3: Cross multiply
    451,373.23x = 623,316.42 × 290,508.44
  4. Step 4: Simplify right side
    451,373.23x = 181,078,679,348.04
  5. Step 5: Solve for x
    x = 181,078,679,348.04/451,373.23
  6. Step 6: Final answer
    x = 401,172.84

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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.