Home / 727,916.83-1,004,529.22-422,174.51

Finding the Fourth Proportional to 727,916.83, 1,004,529.22 and 422,174.51

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Solution

The fourth proportional to 727,916.83, 1,004,529.22 and 422,174.51 is: 582,603.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,916.83 : 1,004,529.22 = 422,174.51 : x
  2. Step 2: Convert to fraction form
    727,916.83/1,004,529.22 = 422,174.51/x
  3. Step 3: Cross multiply
    727,916.83x = 1,004,529.22 × 422,174.51
  4. Step 4: Simplify right side
    727,916.83x = 424,086,631,234.18
  5. Step 5: Solve for x
    x = 424,086,631,234.18/727,916.83
  6. Step 6: Final answer
    x = 582,603.14

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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.