Home / 469,918.44-648,488.19-255,058.61

Finding the Fourth Proportional to 469,918.44, 648,488.19 and 255,058.61

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Solution

The fourth proportional to 469,918.44, 648,488.19 and 255,058.61 is: 351,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,918.44 : 648,488.19 = 255,058.61 : x
  2. Step 2: Convert to fraction form
    469,918.44/648,488.19 = 255,058.61/x
  3. Step 3: Cross multiply
    469,918.44x = 648,488.19 × 255,058.61
  4. Step 4: Simplify right side
    469,918.44x = 165,402,493,100.38
  5. Step 5: Solve for x
    x = 165,402,493,100.38/469,918.44
  6. Step 6: Final answer
    x = 351,981.28

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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.