Home / 665,266.24-917,806.80-410,174.56

Finding the Fourth Proportional to 665,266.24, 917,806.80 and 410,174.56

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Solution

The fourth proportional to 665,266.24, 917,806.80 and 410,174.56 is: 565,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,266.24 : 917,806.80 = 410,174.56 : x
  2. Step 2: Convert to fraction form
    665,266.24/917,806.80 = 410,174.56/x
  3. Step 3: Cross multiply
    665,266.24x = 917,806.80 × 410,174.56
  4. Step 4: Simplify right side
    665,266.24x = 376,461,000,355.01
  5. Step 5: Solve for x
    x = 376,461,000,355.01/665,266.24
  6. Step 6: Final answer
    x = 565,880.21

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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.