Home / 1,300,945.84-1,950,981-436,205.68

Finding the Fourth Proportional to 1,300,945.84, 1,950,981 and 436,205.68

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Solution

The fourth proportional to 1,300,945.84, 1,950,981 and 436,205.68 is: 654,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,945.84 : 1,950,981 = 436,205.68 : x
  2. Step 2: Convert to fraction form
    1,300,945.84/1,950,981 = 436,205.68/x
  3. Step 3: Cross multiply
    1,300,945.84x = 1,950,981 × 436,205.68
  4. Step 4: Simplify right side
    1,300,945.84x = 851,028,993,772.08
  5. Step 5: Solve for x
    x = 851,028,993,772.08/1,300,945.84
  6. Step 6: Final answer
    x = 654,161.74

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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.