Home / 755,560.45-1,042,692.11-411,415.23

Finding the Fourth Proportional to 755,560.45, 1,042,692.11 and 411,415.23

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Solution

The fourth proportional to 755,560.45, 1,042,692.11 and 411,415.23 is: 567,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,560.45 : 1,042,692.11 = 411,415.23 : x
  2. Step 2: Convert to fraction form
    755,560.45/1,042,692.11 = 411,415.23/x
  3. Step 3: Cross multiply
    755,560.45x = 1,042,692.11 × 411,415.23
  4. Step 4: Simplify right side
    755,560.45x = 428,979,414,254.84
  5. Step 5: Solve for x
    x = 428,979,414,254.84/755,560.45
  6. Step 6: Final answer
    x = 567,763.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.