Home / 465,286.40-697,929.60-305,854.10

Finding the Fourth Proportional to 465,286.40, 697,929.60 and 305,854.10

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Solution

The fourth proportional to 465,286.40, 697,929.60 and 305,854.10 is: 458,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,286.40 : 697,929.60 = 305,854.10 : x
  2. Step 2: Convert to fraction form
    465,286.40/697,929.60 = 305,854.10/x
  3. Step 3: Cross multiply
    465,286.40x = 697,929.60 × 305,854.10
  4. Step 4: Simplify right side
    465,286.40x = 213,464,629,671.36
  5. Step 5: Solve for x
    x = 213,464,629,671.36/465,286.40
  6. Step 6: Final answer
    x = 458,781.15

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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.