Home / 661,050.85-911,914.44-431,742.37

Finding the Fourth Proportional to 661,050.85, 911,914.44 and 431,742.37

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Solution

The fourth proportional to 661,050.85, 911,914.44 and 431,742.37 is: 595,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,050.85 : 911,914.44 = 431,742.37 : x
  2. Step 2: Convert to fraction form
    661,050.85/911,914.44 = 431,742.37/x
  3. Step 3: Cross multiply
    661,050.85x = 911,914.44 × 431,742.37
  4. Step 4: Simplify right side
    661,050.85x = 393,712,101,562.82
  5. Step 5: Solve for x
    x = 393,712,101,562.82/661,050.85
  6. Step 6: Final answer
    x = 595,585.20

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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.