Home / 545,184.20-752,354.10-303,461.56

Finding the Fourth Proportional to 545,184.20, 752,354.10 and 303,461.56

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Solution

The fourth proportional to 545,184.20, 752,354.10 and 303,461.56 is: 418,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,184.20 : 752,354.10 = 303,461.56 : x
  2. Step 2: Convert to fraction form
    545,184.20/752,354.10 = 303,461.56/x
  3. Step 3: Cross multiply
    545,184.20x = 752,354.10 × 303,461.56
  4. Step 4: Simplify right side
    545,184.20x = 228,310,548,858.40
  5. Step 5: Solve for x
    x = 228,310,548,858.40/545,184.20
  6. Step 6: Final answer
    x = 418,776.90

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Similar ratio
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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.