Home / 451,734.41-623,680.59-403,251.36

Finding the Fourth Proportional to 451,734.41, 623,680.59 and 403,251.36

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Solution

The fourth proportional to 451,734.41, 623,680.59 and 403,251.36 is: 556,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,734.41 : 623,680.59 = 403,251.36 : x
  2. Step 2: Convert to fraction form
    451,734.41/623,680.59 = 403,251.36/x
  3. Step 3: Cross multiply
    451,734.41x = 623,680.59 × 403,251.36
  4. Step 4: Simplify right side
    451,734.41x = 251,500,046,123.10
  5. Step 5: Solve for x
    x = 251,500,046,123.10/451,734.41
  6. Step 6: Final answer
    x = 556,743.17

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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.