Home / 428,997.02-592,293.21-265,826.68

Finding the Fourth Proportional to 428,997.02, 592,293.21 and 265,826.68

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Solution

The fourth proportional to 428,997.02, 592,293.21 and 265,826.68 is: 367,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,997.02 : 592,293.21 = 265,826.68 : x
  2. Step 2: Convert to fraction form
    428,997.02/592,293.21 = 265,826.68/x
  3. Step 3: Cross multiply
    428,997.02x = 592,293.21 × 265,826.68
  4. Step 4: Simplify right side
    428,997.02x = 157,447,337,795.97
  5. Step 5: Solve for x
    x = 157,447,337,795.97/428,997.02
  6. Step 6: Final answer
    x = 367,012.66

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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.