Home / 1,124,235.12-1,687,017.06-414,761.52

Finding the Fourth Proportional to 1,124,235.12, 1,687,017.06 and 414,761.52

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Solution

The fourth proportional to 1,124,235.12, 1,687,017.06 and 414,761.52 is: 622,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,235.12 : 1,687,017.06 = 414,761.52 : x
  2. Step 2: Convert to fraction form
    1,124,235.12/1,687,017.06 = 414,761.52/x
  3. Step 3: Cross multiply
    1,124,235.12x = 1,687,017.06 × 414,761.52
  4. Step 4: Simplify right side
    1,124,235.12x = 699,709,760,071.53
  5. Step 5: Solve for x
    x = 699,709,760,071.53/1,124,235.12
  6. Step 6: Final answer
    x = 622,387.39

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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.