Home / 465,111.60-697,667.40-331,267.20

Finding the Fourth Proportional to 465,111.60, 697,667.40 and 331,267.20

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Solution

The fourth proportional to 465,111.60, 697,667.40 and 331,267.20 is: 496,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,111.60 : 697,667.40 = 331,267.20 : x
  2. Step 2: Convert to fraction form
    465,111.60/697,667.40 = 331,267.20/x
  3. Step 3: Cross multiply
    465,111.60x = 697,667.40 × 331,267.20
  4. Step 4: Simplify right side
    465,111.60x = 231,114,326,129.28
  5. Step 5: Solve for x
    x = 231,114,326,129.28/465,111.60
  6. Step 6: Final answer
    x = 496,900.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.