Home / 651,233.88-899,141.60-406,591.48

Finding the Fourth Proportional to 651,233.88, 899,141.60 and 406,591.48

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Solution

The fourth proportional to 651,233.88, 899,141.60 and 406,591.48 is: 561,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,233.88 : 899,141.60 = 406,591.48 : x
  2. Step 2: Convert to fraction form
    651,233.88/899,141.60 = 406,591.48/x
  3. Step 3: Cross multiply
    651,233.88x = 899,141.60 × 406,591.48
  4. Step 4: Simplify right side
    651,233.88x = 365,583,313,873.57
  5. Step 5: Solve for x
    x = 365,583,313,873.57/651,233.88
  6. Step 6: Final answer
    x = 561,370.23

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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.