Home / 863,629.65-1,191,867.30-501,053.67

Finding the Fourth Proportional to 863,629.65, 1,191,867.30 and 501,053.67

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Solution

The fourth proportional to 863,629.65, 1,191,867.30 and 501,053.67 is: 691,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,629.65 : 1,191,867.30 = 501,053.67 : x
  2. Step 2: Convert to fraction form
    863,629.65/1,191,867.30 = 501,053.67/x
  3. Step 3: Cross multiply
    863,629.65x = 1,191,867.30 × 501,053.67
  4. Step 4: Simplify right side
    863,629.65x = 597,189,484,817.99
  5. Step 5: Solve for x
    x = 597,189,484,817.99/863,629.65
  6. Step 6: Final answer
    x = 691,487.94

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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.