Home / 465,382.51-697,427.92-212,043.85

Finding the Fourth Proportional to 465,382.51, 697,427.92 and 212,043.85

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Solution

The fourth proportional to 465,382.51, 697,427.92 and 212,043.85 is: 317,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,382.51 : 697,427.92 = 212,043.85 : x
  2. Step 2: Convert to fraction form
    465,382.51/697,427.92 = 212,043.85/x
  3. Step 3: Cross multiply
    465,382.51x = 697,427.92 × 212,043.85
  4. Step 4: Simplify right side
    465,382.51x = 147,885,301,737.29
  5. Step 5: Solve for x
    x = 147,885,301,737.29/465,382.51
  6. Step 6: Final answer
    x = 317,771.51

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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.