Home / 863,916.72-1,192,442.19-501,457.35

Finding the Fourth Proportional to 863,916.72, 1,192,442.19 and 501,457.35

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Solution

The fourth proportional to 863,916.72, 1,192,442.19 and 501,457.35 is: 692,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,916.72 : 1,192,442.19 = 501,457.35 : x
  2. Step 2: Convert to fraction form
    863,916.72/1,192,442.19 = 501,457.35/x
  3. Step 3: Cross multiply
    863,916.72x = 1,192,442.19 × 501,457.35
  4. Step 4: Simplify right side
    863,916.72x = 597,958,900,625.60
  5. Step 5: Solve for x
    x = 597,958,900,625.60/863,916.72
  6. Step 6: Final answer
    x = 692,148.78

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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.