Home / 469,947.29-648,538.79-255,086.82

Finding the Fourth Proportional to 469,947.29, 648,538.79 and 255,086.82

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Solution

The fourth proportional to 469,947.29, 648,538.79 and 255,086.82 is: 352,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,947.29 : 648,538.79 = 255,086.82 : x
  2. Step 2: Convert to fraction form
    469,947.29/648,538.79 = 255,086.82/x
  3. Step 3: Cross multiply
    469,947.29x = 648,538.79 × 255,086.82
  4. Step 4: Simplify right side
    469,947.29x = 165,433,696,312.31
  5. Step 5: Solve for x
    x = 165,433,696,312.31/469,947.29
  6. Step 6: Final answer
    x = 352,026.07

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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.