Home / 1,436,974.50-2,155,628.51-477,515.73

Finding the Fourth Proportional to 1,436,974.50, 2,155,628.51 and 477,515.73

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Solution

The fourth proportional to 1,436,974.50, 2,155,628.51 and 477,515.73 is: 716,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,974.50 : 2,155,628.51 = 477,515.73 : x
  2. Step 2: Convert to fraction form
    1,436,974.50/2,155,628.51 = 477,515.73/x
  3. Step 3: Cross multiply
    1,436,974.50x = 2,155,628.51 × 477,515.73
  4. Step 4: Simplify right side
    1,436,974.50x = 1,029,346,511,090.28
  5. Step 5: Solve for x
    x = 1,029,346,511,090.28/1,436,974.50
  6. Step 6: Final answer
    x = 716,329.00

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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.