Home / 451,261.98-623,024.60-290,396.52

Finding the Fourth Proportional to 451,261.98, 623,024.60 and 290,396.52

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Solution

The fourth proportional to 451,261.98, 623,024.60 and 290,396.52 is: 400,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,261.98 : 623,024.60 = 290,396.52 : x
  2. Step 2: Convert to fraction form
    451,261.98/623,024.60 = 290,396.52/x
  3. Step 3: Cross multiply
    451,261.98x = 623,024.60 × 290,396.52
  4. Step 4: Simplify right side
    451,261.98x = 180,924,174,262.41
  5. Step 5: Solve for x
    x = 180,924,174,262.41/451,261.98
  6. Step 6: Final answer
    x = 400,929.35

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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.