Home / 928,835.24-1,281,807.06-521,027.60

Finding the Fourth Proportional to 928,835.24, 1,281,807.06 and 521,027.60

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Solution

The fourth proportional to 928,835.24, 1,281,807.06 and 521,027.60 is: 719,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,835.24 : 1,281,807.06 = 521,027.60 : x
  2. Step 2: Convert to fraction form
    928,835.24/1,281,807.06 = 521,027.60/x
  3. Step 3: Cross multiply
    928,835.24x = 1,281,807.06 × 521,027.60
  4. Step 4: Simplify right side
    928,835.24x = 667,856,856,134.86
  5. Step 5: Solve for x
    x = 667,856,856,134.86/928,835.24
  6. Step 6: Final answer
    x = 719,026.18

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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.