Home / 469,983.18-648,588.54-255,123.23

Finding the Fourth Proportional to 469,983.18, 648,588.54 and 255,123.23

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Solution

The fourth proportional to 469,983.18, 648,588.54 and 255,123.23 is: 352,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,983.18 : 648,588.54 = 255,123.23 : x
  2. Step 2: Convert to fraction form
    469,983.18/648,588.54 = 255,123.23/x
  3. Step 3: Cross multiply
    469,983.18x = 648,588.54 × 255,123.23
  4. Step 4: Simplify right side
    469,983.18x = 165,470,000,022.84
  5. Step 5: Solve for x
    x = 165,470,000,022.84/469,983.18
  6. Step 6: Final answer
    x = 352,076.43

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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.