Home / 935,683.38-1,291,243.50-505,963.80

Finding the Fourth Proportional to 935,683.38, 1,291,243.50 and 505,963.80

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Solution

The fourth proportional to 935,683.38, 1,291,243.50 and 505,963.80 is: 698,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,683.38 : 1,291,243.50 = 505,963.80 : x
  2. Step 2: Convert to fraction form
    935,683.38/1,291,243.50 = 505,963.80/x
  3. Step 3: Cross multiply
    935,683.38x = 1,291,243.50 × 505,963.80
  4. Step 4: Simplify right side
    935,683.38x = 653,322,467,985.30
  5. Step 5: Solve for x
    x = 653,322,467,985.30/935,683.38
  6. Step 6: Final answer
    x = 698,230.28

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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.