Home / 557,445.67-836,293.09-178,389.17

Finding the Fourth Proportional to 557,445.67, 836,293.09 and 178,389.17

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Solution

The fourth proportional to 557,445.67, 836,293.09 and 178,389.17 is: 267,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,445.67 : 836,293.09 = 178,389.17 : x
  2. Step 2: Convert to fraction form
    557,445.67/836,293.09 = 178,389.17/x
  3. Step 3: Cross multiply
    557,445.67x = 836,293.09 × 178,389.17
  4. Step 4: Simplify right side
    557,445.67x = 149,185,625,128.42
  5. Step 5: Solve for x
    x = 149,185,625,128.42/557,445.67
  6. Step 6: Final answer
    x = 267,623.62

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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.