Home / 469,905.33-648,452.01-255,040.79

Finding the Fourth Proportional to 469,905.33, 648,452.01 and 255,040.79

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Solution

The fourth proportional to 469,905.33, 648,452.01 and 255,040.79 is: 351,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.33 : 648,452.01 = 255,040.79 : x
  2. Step 2: Convert to fraction form
    469,905.33/648,452.01 = 255,040.79/x
  3. Step 3: Cross multiply
    469,905.33x = 648,452.01 × 255,040.79
  4. Step 4: Simplify right side
    469,905.33x = 165,381,709,665.23
  5. Step 5: Solve for x
    x = 165,381,709,665.23/469,905.33
  6. Step 6: Final answer
    x = 351,946.87

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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.