Home / 735,359.40-1,101,872.70-485,749.80

Finding the Fourth Proportional to 735,359.40, 1,101,872.70 and 485,749.80

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Solution

The fourth proportional to 735,359.40, 1,101,872.70 and 485,749.80 is: 727,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,359.40 : 1,101,872.70 = 485,749.80 : x
  2. Step 2: Convert to fraction form
    735,359.40/1,101,872.70 = 485,749.80/x
  3. Step 3: Cross multiply
    735,359.40x = 1,101,872.70 × 485,749.80
  4. Step 4: Simplify right side
    735,359.40x = 535,234,443,650.46
  5. Step 5: Solve for x
    x = 535,234,443,650.46/735,359.40
  6. Step 6: Final answer
    x = 727,854.22

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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.