Home / 466,571.35-643,714.47-380,382.15

Finding the Fourth Proportional to 466,571.35, 643,714.47 and 380,382.15

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Solution

The fourth proportional to 466,571.35, 643,714.47 and 380,382.15 is: 524,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,571.35 : 643,714.47 = 380,382.15 : x
  2. Step 2: Convert to fraction form
    466,571.35/643,714.47 = 380,382.15/x
  3. Step 3: Cross multiply
    466,571.35x = 643,714.47 × 380,382.15
  4. Step 4: Simplify right side
    466,571.35x = 244,857,494,084.71
  5. Step 5: Solve for x
    x = 244,857,494,084.71/466,571.35
  6. Step 6: Final answer
    x = 524,801.82

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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.