Home / 545,741.20-753,123.28-304,024.37

Finding the Fourth Proportional to 545,741.20, 753,123.28 and 304,024.37

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Solution

The fourth proportional to 545,741.20, 753,123.28 and 304,024.37 is: 419,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,741.20 : 753,123.28 = 304,024.37 : x
  2. Step 2: Convert to fraction form
    545,741.20/753,123.28 = 304,024.37/x
  3. Step 3: Cross multiply
    545,741.20x = 753,123.28 × 304,024.37
  4. Step 4: Simplify right side
    545,741.20x = 228,967,830,734.33
  5. Step 5: Solve for x
    x = 228,967,830,734.33/545,741.20
  6. Step 6: Final answer
    x = 419,553.87

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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.