Home / 469,929.29-648,502.95-255,069.30

Finding the Fourth Proportional to 469,929.29, 648,502.95 and 255,069.30

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Solution

The fourth proportional to 469,929.29, 648,502.95 and 255,069.30 is: 351,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,929.29 : 648,502.95 = 255,069.30 : x
  2. Step 2: Convert to fraction form
    469,929.29/648,502.95 = 255,069.30/x
  3. Step 3: Cross multiply
    469,929.29x = 648,502.95 × 255,069.30
  4. Step 4: Simplify right side
    469,929.29x = 165,413,193,504.44
  5. Step 5: Solve for x
    x = 165,413,193,504.44/469,929.29
  6. Step 6: Final answer
    x = 351,995.92

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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.