Home / 480,043.07-661,963.29-412,284.41

Finding the Fourth Proportional to 480,043.07, 661,963.29 and 412,284.41

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Solution

The fourth proportional to 480,043.07, 661,963.29 and 412,284.41 is: 568,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,043.07 : 661,963.29 = 412,284.41 : x
  2. Step 2: Convert to fraction form
    480,043.07/661,963.29 = 412,284.41/x
  3. Step 3: Cross multiply
    480,043.07x = 661,963.29 × 412,284.41
  4. Step 4: Simplify right side
    480,043.07x = 272,917,144,459.31
  5. Step 5: Solve for x
    x = 272,917,144,459.31/480,043.07
  6. Step 6: Final answer
    x = 568,526.37

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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.