Home / 935,661.12-1,291,211.44-505,940.22

Finding the Fourth Proportional to 935,661.12, 1,291,211.44 and 505,940.22

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Solution

The fourth proportional to 935,661.12, 1,291,211.44 and 505,940.22 is: 698,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,661.12 : 1,291,211.44 = 505,940.22 : x
  2. Step 2: Convert to fraction form
    935,661.12/1,291,211.44 = 505,940.22/x
  3. Step 3: Cross multiply
    935,661.12x = 1,291,211.44 × 505,940.22
  4. Step 4: Simplify right side
    935,661.12x = 653,275,800,020.12
  5. Step 5: Solve for x
    x = 653,275,800,020.12/935,661.12
  6. Step 6: Final answer
    x = 698,197.01

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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.