Home / 1,282,511.80-1,923,767.70-335,978.20

Finding the Fourth Proportional to 1,282,511.80, 1,923,767.70 and 335,978.20

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Solution

The fourth proportional to 1,282,511.80, 1,923,767.70 and 335,978.20 is: 503,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,511.80 : 1,923,767.70 = 335,978.20 : x
  2. Step 2: Convert to fraction form
    1,282,511.80/1,923,767.70 = 335,978.20/x
  3. Step 3: Cross multiply
    1,282,511.80x = 1,923,767.70 × 335,978.20
  4. Step 4: Simplify right side
    1,282,511.80x = 646,344,009,064.14
  5. Step 5: Solve for x
    x = 646,344,009,064.14/1,282,511.80
  6. Step 6: Final answer
    x = 503,967.30

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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.