Home / 417,941.76-576,762.48-245,962.56

Finding the Fourth Proportional to 417,941.76, 576,762.48 and 245,962.56

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Solution

The fourth proportional to 417,941.76, 576,762.48 and 245,962.56 is: 339,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,941.76 : 576,762.48 = 245,962.56 : x
  2. Step 2: Convert to fraction form
    417,941.76/576,762.48 = 245,962.56/x
  3. Step 3: Cross multiply
    417,941.76x = 576,762.48 × 245,962.56
  4. Step 4: Simplify right side
    417,941.76x = 141,861,976,092.75
  5. Step 5: Solve for x
    x = 141,861,976,092.75/417,941.76
  6. Step 6: Final answer
    x = 339,430.01

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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.