Home / 466,171.37-643,366.23-272,638.25

Finding the Fourth Proportional to 466,171.37, 643,366.23 and 272,638.25

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Solution

The fourth proportional to 466,171.37, 643,366.23 and 272,638.25 is: 376,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,171.37 : 643,366.23 = 272,638.25 : x
  2. Step 2: Convert to fraction form
    466,171.37/643,366.23 = 272,638.25/x
  3. Step 3: Cross multiply
    466,171.37x = 643,366.23 × 272,638.25
  4. Step 4: Simplify right side
    466,171.37x = 175,406,243,056.30
  5. Step 5: Solve for x
    x = 175,406,243,056.30/466,171.37
  6. Step 6: Final answer
    x = 376,269.87

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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.