Home / 415,916.36-623,849.93-116,390.30

Finding the Fourth Proportional to 415,916.36, 623,849.93 and 116,390.30

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Solution

The fourth proportional to 415,916.36, 623,849.93 and 116,390.30 is: 174,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,916.36 : 623,849.93 = 116,390.30 : x
  2. Step 2: Convert to fraction form
    415,916.36/623,849.93 = 116,390.30/x
  3. Step 3: Cross multiply
    415,916.36x = 623,849.93 × 116,390.30
  4. Step 4: Simplify right side
    415,916.36x = 72,610,076,806.48
  5. Step 5: Solve for x
    x = 72,610,076,806.48/415,916.36
  6. Step 6: Final answer
    x = 174,578.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.