Home / 1,638,219.60-2,455,579.80-626,950.80

Finding the Fourth Proportional to 1,638,219.60, 2,455,579.80 and 626,950.80

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Solution

The fourth proportional to 1,638,219.60, 2,455,579.80 and 626,950.80 is: 939,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,219.60 : 2,455,579.80 = 626,950.80 : x
  2. Step 2: Convert to fraction form
    1,638,219.60/2,455,579.80 = 626,950.80/x
  3. Step 3: Cross multiply
    1,638,219.60x = 2,455,579.80 × 626,950.80
  4. Step 4: Simplify right side
    1,638,219.60x = 1,539,527,720,073.84
  5. Step 5: Solve for x
    x = 1,539,527,720,073.84/1,638,219.60
  6. Step 6: Final answer
    x = 939,756.62

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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.