Home / 1,313,692.13-1,970,526.38-415,134.02

Finding the Fourth Proportional to 1,313,692.13, 1,970,526.38 and 415,134.02

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Solution

The fourth proportional to 1,313,692.13, 1,970,526.38 and 415,134.02 is: 622,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,692.13 : 1,970,526.38 = 415,134.02 : x
  2. Step 2: Convert to fraction form
    1,313,692.13/1,970,526.38 = 415,134.02/x
  3. Step 3: Cross multiply
    1,313,692.13x = 1,970,526.38 × 415,134.02
  4. Step 4: Simplify right side
    1,313,692.13x = 818,032,525,717.15
  5. Step 5: Solve for x
    x = 818,032,525,717.15/1,313,692.13
  6. Step 6: Final answer
    x = 622,697.29

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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.