Home / 448,835.79-619,308.65-267,564.59

Finding the Fourth Proportional to 448,835.79, 619,308.65 and 267,564.59

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Solution

The fourth proportional to 448,835.79, 619,308.65 and 267,564.59 is: 369,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,835.79 : 619,308.65 = 267,564.59 : x
  2. Step 2: Convert to fraction form
    448,835.79/619,308.65 = 267,564.59/x
  3. Step 3: Cross multiply
    448,835.79x = 619,308.65 × 267,564.59
  4. Step 4: Simplify right side
    448,835.79x = 165,705,060,586.34
  5. Step 5: Solve for x
    x = 165,705,060,586.34/448,835.79
  6. Step 6: Final answer
    x = 369,188.61

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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.