Home / 433,720.38-650,802.98-209,272.23

Finding the Fourth Proportional to 433,720.38, 650,802.98 and 209,272.23

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Solution

The fourth proportional to 433,720.38, 650,802.98 and 209,272.23 is: 314,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,720.38 : 650,802.98 = 209,272.23 : x
  2. Step 2: Convert to fraction form
    433,720.38/650,802.98 = 209,272.23/x
  3. Step 3: Cross multiply
    433,720.38x = 650,802.98 × 209,272.23
  4. Step 4: Simplify right side
    433,720.38x = 136,194,989,868.88
  5. Step 5: Solve for x
    x = 136,194,989,868.88/433,720.38
  6. Step 6: Final answer
    x = 314,015.66

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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.