Home / 400,292.28-552,856.86-272,746.44

Finding the Fourth Proportional to 400,292.28, 552,856.86 and 272,746.44

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Solution

The fourth proportional to 400,292.28, 552,856.86 and 272,746.44 is: 376,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,292.28 : 552,856.86 = 272,746.44 : x
  2. Step 2: Convert to fraction form
    400,292.28/552,856.86 = 272,746.44/x
  3. Step 3: Cross multiply
    400,292.28x = 552,856.86 × 272,746.44
  4. Step 4: Simplify right side
    400,292.28x = 150,789,740,394.58
  5. Step 5: Solve for x
    x = 150,789,740,394.58/400,292.28
  6. Step 6: Final answer
    x = 376,699.10

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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.