Home / 552,917.92-761,961.36-401,775.52

Finding the Fourth Proportional to 552,917.92, 761,961.36 and 401,775.52

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Solution

The fourth proportional to 552,917.92, 761,961.36 and 401,775.52 is: 553,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,917.92 : 761,961.36 = 401,775.52 : x
  2. Step 2: Convert to fraction form
    552,917.92/761,961.36 = 401,775.52/x
  3. Step 3: Cross multiply
    552,917.92x = 761,961.36 × 401,775.52
  4. Step 4: Simplify right side
    552,917.92x = 306,137,421,633.91
  5. Step 5: Solve for x
    x = 306,137,421,633.91/552,917.92
  6. Step 6: Final answer
    x = 553,676.07

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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.