Home / 457,049.40-685,637.82-190,748.94

Finding the Fourth Proportional to 457,049.40, 685,637.82 and 190,748.94

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Solution

The fourth proportional to 457,049.40, 685,637.82 and 190,748.94 is: 286,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,049.40 : 685,637.82 = 190,748.94 : x
  2. Step 2: Convert to fraction form
    457,049.40/685,637.82 = 190,748.94/x
  3. Step 3: Cross multiply
    457,049.40x = 685,637.82 × 190,748.94
  4. Step 4: Simplify right side
    457,049.40x = 130,784,687,388.91
  5. Step 5: Solve for x
    x = 130,784,687,388.91/457,049.40
  6. Step 6: Final answer
    x = 286,150.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.