Home / 451,821.84-623,010.25-290,454.04

Finding the Fourth Proportional to 451,821.84, 623,010.25 and 290,454.04

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Solution

The fourth proportional to 451,821.84, 623,010.25 and 290,454.04 is: 400,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,821.84 : 623,010.25 = 290,454.04 : x
  2. Step 2: Convert to fraction form
    451,821.84/623,010.25 = 290,454.04/x
  3. Step 3: Cross multiply
    451,821.84x = 623,010.25 × 290,454.04
  4. Step 4: Simplify right side
    451,821.84x = 180,955,844,073.91
  5. Step 5: Solve for x
    x = 180,955,844,073.91/451,821.84
  6. Step 6: Final answer
    x = 400,502.65

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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.