Home / 735,749.80-1,103,624.70-656,434.60

Finding the Fourth Proportional to 735,749.80, 1,103,624.70 and 656,434.60

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Solution

The fourth proportional to 735,749.80, 1,103,624.70 and 656,434.60 is: 984,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,749.80 : 1,103,624.70 = 656,434.60 : x
  2. Step 2: Convert to fraction form
    735,749.80/1,103,624.70 = 656,434.60/x
  3. Step 3: Cross multiply
    735,749.80x = 1,103,624.70 × 656,434.60
  4. Step 4: Simplify right side
    735,749.80x = 724,457,438,494.62
  5. Step 5: Solve for x
    x = 724,457,438,494.62/735,749.80
  6. Step 6: Final answer
    x = 984,651.90

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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.