Home / 402,963.12-604,359.09-118,576.44

Finding the Fourth Proportional to 402,963.12, 604,359.09 and 118,576.44

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Solution

The fourth proportional to 402,963.12, 604,359.09 and 118,576.44 is: 177,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,963.12 : 604,359.09 = 118,576.44 : x
  2. Step 2: Convert to fraction form
    402,963.12/604,359.09 = 118,576.44/x
  3. Step 3: Cross multiply
    402,963.12x = 604,359.09 × 118,576.44
  4. Step 4: Simplify right side
    402,963.12x = 71,662,749,373.84
  5. Step 5: Solve for x
    x = 71,662,749,373.84/402,963.12
  6. Step 6: Final answer
    x = 177,839.47

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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.