Home / 1,255,876.80-1,883,551.68-414,231.36

Finding the Fourth Proportional to 1,255,876.80, 1,883,551.68 and 414,231.36

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Solution

The fourth proportional to 1,255,876.80, 1,883,551.68 and 414,231.36 is: 621,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,876.80 : 1,883,551.68 = 414,231.36 : x
  2. Step 2: Convert to fraction form
    1,255,876.80/1,883,551.68 = 414,231.36/x
  3. Step 3: Cross multiply
    1,255,876.80x = 1,883,551.68 × 414,231.36
  4. Step 4: Simplify right side
    1,255,876.80x = 780,226,174,036.69
  5. Step 5: Solve for x
    x = 780,226,174,036.69/1,255,876.80
  6. Step 6: Final answer
    x = 621,260.12

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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.