Home / 1,411,707.98-2,116,371.42-612,387.38

Finding the Fourth Proportional to 1,411,707.98, 2,116,371.42 and 612,387.38

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Solution

The fourth proportional to 1,411,707.98, 2,116,371.42 and 612,387.38 is: 918,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,707.98 : 2,116,371.42 = 612,387.38 : x
  2. Step 2: Convert to fraction form
    1,411,707.98/2,116,371.42 = 612,387.38/x
  3. Step 3: Cross multiply
    1,411,707.98x = 2,116,371.42 × 612,387.38
  4. Step 4: Simplify right side
    1,411,707.98x = 1,296,039,149,000.68
  5. Step 5: Solve for x
    x = 1,296,039,149,000.68/1,411,707.98
  6. Step 6: Final answer
    x = 918,064.62

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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.