Home / 389,054.07-537,028.56-227,961.27

Finding the Fourth Proportional to 389,054.07, 537,028.56 and 227,961.27

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Solution

The fourth proportional to 389,054.07, 537,028.56 and 227,961.27 is: 314,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,054.07 : 537,028.56 = 227,961.27 : x
  2. Step 2: Convert to fraction form
    389,054.07/537,028.56 = 227,961.27/x
  3. Step 3: Cross multiply
    389,054.07x = 537,028.56 × 227,961.27
  4. Step 4: Simplify right side
    389,054.07x = 122,421,712,563.87
  5. Step 5: Solve for x
    x = 122,421,712,563.87/389,054.07
  6. Step 6: Final answer
    x = 314,665.04

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1.5x scale

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.