Home / 919,692.12-1,269,156.33-575,717.76

Finding the Fourth Proportional to 919,692.12, 1,269,156.33 and 575,717.76

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Solution

The fourth proportional to 919,692.12, 1,269,156.33 and 575,717.76 is: 794,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,692.12 : 1,269,156.33 = 575,717.76 : x
  2. Step 2: Convert to fraction form
    919,692.12/1,269,156.33 = 575,717.76/x
  3. Step 3: Cross multiply
    919,692.12x = 1,269,156.33 × 575,717.76
  4. Step 4: Simplify right side
    919,692.12x = 730,675,839,397.42
  5. Step 5: Solve for x
    x = 730,675,839,397.42/919,692.12
  6. Step 6: Final answer
    x = 794,478.74

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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.