Home / 862,555.53-1,190,334.89-475,385.00

Finding the Fourth Proportional to 862,555.53, 1,190,334.89 and 475,385.00

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Solution

The fourth proportional to 862,555.53, 1,190,334.89 and 475,385.00 is: 656,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,555.53 : 1,190,334.89 = 475,385.00 : x
  2. Step 2: Convert to fraction form
    862,555.53/1,190,334.89 = 475,385.00/x
  3. Step 3: Cross multiply
    862,555.53x = 1,190,334.89 × 475,385.00
  4. Step 4: Simplify right side
    862,555.53x = 565,867,353,615.07
  5. Step 5: Solve for x
    x = 565,867,353,615.07/862,555.53
  6. Step 6: Final answer
    x = 656,035.85

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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.