Home / 869,609.36-1,303,802.96-383,060.66

Finding the Fourth Proportional to 869,609.36, 1,303,802.96 and 383,060.66

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Solution

The fourth proportional to 869,609.36, 1,303,802.96 and 383,060.66 is: 574,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,609.36 : 1,303,802.96 = 383,060.66 : x
  2. Step 2: Convert to fraction form
    869,609.36/1,303,802.96 = 383,060.66/x
  3. Step 3: Cross multiply
    869,609.36x = 1,303,802.96 × 383,060.66
  4. Step 4: Simplify right side
    869,609.36x = 499,435,622,367.55
  5. Step 5: Solve for x
    x = 499,435,622,367.55/869,609.36
  6. Step 6: Final answer
    x = 574,321.81

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1.5x scale

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.