Home / 935,684.85-1,291,246.48-505,965

Finding the Fourth Proportional to 935,684.85, 1,291,246.48 and 505,965

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Solution

The fourth proportional to 935,684.85, 1,291,246.48 and 505,965 is: 698,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,684.85 : 1,291,246.48 = 505,965 : x
  2. Step 2: Convert to fraction form
    935,684.85/1,291,246.48 = 505,965/x
  3. Step 3: Cross multiply
    935,684.85x = 1,291,246.48 × 505,965
  4. Step 4: Simplify right side
    935,684.85x = 653,325,525,253.20
  5. Step 5: Solve for x
    x = 653,325,525,253.20/935,684.85
  6. Step 6: Final answer
    x = 698,232.45

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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.