Home / 771,213.51-1,156,057.55-365,692.38

Finding the Fourth Proportional to 771,213.51, 1,156,057.55 and 365,692.38

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Solution

The fourth proportional to 771,213.51, 1,156,057.55 and 365,692.38 is: 548,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,213.51 : 1,156,057.55 = 365,692.38 : x
  2. Step 2: Convert to fraction form
    771,213.51/1,156,057.55 = 365,692.38/x
  3. Step 3: Cross multiply
    771,213.51x = 1,156,057.55 × 365,692.38
  4. Step 4: Simplify right side
    771,213.51x = 422,761,435,048.01
  5. Step 5: Solve for x
    x = 422,761,435,048.01/771,213.51
  6. Step 6: Final answer
    x = 548,176.91

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1.5x scale

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.