Home / 389,054.08-537,028.56-227,961.28

Finding the Fourth Proportional to 389,054.08, 537,028.56 and 227,961.28

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Solution

The fourth proportional to 389,054.08, 537,028.56 and 227,961.28 is: 314,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,054.08 : 537,028.56 = 227,961.28 : x
  2. Step 2: Convert to fraction form
    389,054.08/537,028.56 = 227,961.28/x
  3. Step 3: Cross multiply
    389,054.08x = 537,028.56 × 227,961.28
  4. Step 4: Simplify right side
    389,054.08x = 122,421,717,934.16
  5. Step 5: Solve for x
    x = 122,421,717,934.16/389,054.08
  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.