Home / 468,156.59-646,056.09-253,296.64

Finding the Fourth Proportional to 468,156.59, 646,056.09 and 253,296.64

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Solution

The fourth proportional to 468,156.59, 646,056.09 and 253,296.64 is: 349,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,156.59 : 646,056.09 = 253,296.64 : x
  2. Step 2: Convert to fraction form
    468,156.59/646,056.09 = 253,296.64/x
  3. Step 3: Cross multiply
    468,156.59x = 646,056.09 × 253,296.64
  4. Step 4: Simplify right side
    468,156.59x = 163,643,836,848.54
  5. Step 5: Solve for x
    x = 163,643,836,848.54/468,156.59
  6. Step 6: Final answer
    x = 349,549.36

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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.