Home / 1,586,219.49-2,378,825.42-521,013.60

Finding the Fourth Proportional to 1,586,219.49, 2,378,825.42 and 521,013.60

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Solution

The fourth proportional to 1,586,219.49, 2,378,825.42 and 521,013.60 is: 781,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,219.49 : 2,378,825.42 = 521,013.60 : x
  2. Step 2: Convert to fraction form
    1,586,219.49/2,378,825.42 = 521,013.60/x
  3. Step 3: Cross multiply
    1,586,219.49x = 2,378,825.42 × 521,013.60
  4. Step 4: Simplify right side
    1,586,219.49x = 1,239,400,393,240.64
  5. Step 5: Solve for x
    x = 1,239,400,393,240.64/1,586,219.49
  6. Step 6: Final answer
    x = 781,354.91

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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.