Home / 1,492,721.20-2,237,755.78-581,692.78

Finding the Fourth Proportional to 1,492,721.20, 2,237,755.78 and 581,692.78

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Solution

The fourth proportional to 1,492,721.20, 2,237,755.78 and 581,692.78 is: 872,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,721.20 : 2,237,755.78 = 581,692.78 : x
  2. Step 2: Convert to fraction form
    1,492,721.20/2,237,755.78 = 581,692.78/x
  3. Step 3: Cross multiply
    1,492,721.20x = 2,237,755.78 × 581,692.78
  4. Step 4: Simplify right side
    1,492,721.20x = 1,301,686,366,532.03
  5. Step 5: Solve for x
    x = 1,301,686,366,532.03/1,492,721.20
  6. Step 6: Final answer
    x = 872,022.43

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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.