Home / 427,949.90-590,563.64-236,959.20

Finding the Fourth Proportional to 427,949.90, 590,563.64 and 236,959.20

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Solution

The fourth proportional to 427,949.90, 590,563.64 and 236,959.20 is: 326,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,949.90 : 590,563.64 = 236,959.20 : x
  2. Step 2: Convert to fraction form
    427,949.90/590,563.64 = 236,959.20/x
  3. Step 3: Cross multiply
    427,949.90x = 590,563.64 × 236,959.20
  4. Step 4: Simplify right side
    427,949.90x = 139,939,487,683.49
  5. Step 5: Solve for x
    x = 139,939,487,683.49/427,949.90
  6. Step 6: Final answer
    x = 326,999.70

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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.