Home / 1,411,202.70-2,116,998.45-612,461.70

Finding the Fourth Proportional to 1,411,202.70, 2,116,998.45 and 612,461.70

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Solution

The fourth proportional to 1,411,202.70, 2,116,998.45 and 612,461.70 is: 918,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,202.70 : 2,116,998.45 = 612,461.70 : x
  2. Step 2: Convert to fraction form
    1,411,202.70/2,116,998.45 = 612,461.70/x
  3. Step 3: Cross multiply
    1,411,202.70x = 2,116,998.45 × 612,461.70
  4. Step 4: Simplify right side
    1,411,202.70x = 1,296,580,469,584.37
  5. Step 5: Solve for x
    x = 1,296,580,469,584.37/1,411,202.70
  6. Step 6: Final answer
    x = 918,776.92

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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.