Home / 1,236,862.67-1,853,999.12-517,616.47

Finding the Fourth Proportional to 1,236,862.67, 1,853,999.12 and 517,616.47

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Solution

The fourth proportional to 1,236,862.67, 1,853,999.12 and 517,616.47 is: 775,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,862.67 : 1,853,999.12 = 517,616.47 : x
  2. Step 2: Convert to fraction form
    1,236,862.67/1,853,999.12 = 517,616.47/x
  3. Step 3: Cross multiply
    1,236,862.67x = 1,853,999.12 × 517,616.47
  4. Step 4: Simplify right side
    1,236,862.67x = 959,660,470,607.51
  5. Step 5: Solve for x
    x = 959,660,470,607.51/1,236,862.67
  6. Step 6: Final answer
    x = 775,882.80

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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.