Home / 762,692.19-1,052,512.33-418,533.91

Finding the Fourth Proportional to 762,692.19, 1,052,512.33 and 418,533.91

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Solution

The fourth proportional to 762,692.19, 1,052,512.33 and 418,533.91 is: 577,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,692.19 : 1,052,512.33 = 418,533.91 : x
  2. Step 2: Convert to fraction form
    762,692.19/1,052,512.33 = 418,533.91/x
  3. Step 3: Cross multiply
    762,692.19x = 1,052,512.33 × 418,533.91
  4. Step 4: Simplify right side
    762,692.19x = 440,512,100,798.11
  5. Step 5: Solve for x
    x = 440,512,100,798.11/762,692.19
  6. Step 6: Final answer
    x = 577,575.21

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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.