Home / 665,264.24-917,804.04-410,172.56

Finding the Fourth Proportional to 665,264.24, 917,804.04 and 410,172.56

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Solution

The fourth proportional to 665,264.24, 917,804.04 and 410,172.56 is: 565,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,264.24 : 917,804.04 = 410,172.56 : x
  2. Step 2: Convert to fraction form
    665,264.24/917,804.04 = 410,172.56/x
  3. Step 3: Cross multiply
    665,264.24x = 917,804.04 × 410,172.56
  4. Step 4: Simplify right side
    665,264.24x = 376,458,032,665.14
  5. Step 5: Solve for x
    x = 376,458,032,665.14/665,264.24
  6. Step 6: Final answer
    x = 565,877.45

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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.