Home / 671,475.99-1,007,104.64-272,100.63

Finding the Fourth Proportional to 671,475.99, 1,007,104.64 and 272,100.63

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Solution

The fourth proportional to 671,475.99, 1,007,104.64 and 272,100.63 is: 408,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,475.99 : 1,007,104.64 = 272,100.63 : x
  2. Step 2: Convert to fraction form
    671,475.99/1,007,104.64 = 272,100.63/x
  3. Step 3: Cross multiply
    671,475.99x = 1,007,104.64 × 272,100.63
  4. Step 4: Simplify right side
    671,475.99x = 274,033,805,659.42
  5. Step 5: Solve for x
    x = 274,033,805,659.42/671,475.99
  6. Step 6: Final answer
    x = 408,106.63

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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.