Home / 1,639,579.60-2,456,075.68-816,438.33

Finding the Fourth Proportional to 1,639,579.60, 2,456,075.68 and 816,438.33

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Solution

The fourth proportional to 1,639,579.60, 2,456,075.68 and 816,438.33 is: 1,223,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,579.60 : 2,456,075.68 = 816,438.33 : x
  2. Step 2: Convert to fraction form
    1,639,579.60/2,456,075.68 = 816,438.33/x
  3. Step 3: Cross multiply
    1,639,579.60x = 2,456,075.68 × 816,438.33
  4. Step 4: Simplify right side
    1,639,579.60x = 2,005,234,326,532.81
  5. Step 5: Solve for x
    x = 2,005,234,326,532.81/1,639,579.60
  6. Step 6: Final answer
    x = 1,223,017.37

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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.