Home / 377,546.04-521,013.24-207,780.30

Finding the Fourth Proportional to 377,546.04, 521,013.24 and 207,780.30

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Solution

The fourth proportional to 377,546.04, 521,013.24 and 207,780.30 is: 286,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,546.04 : 521,013.24 = 207,780.30 : x
  2. Step 2: Convert to fraction form
    377,546.04/521,013.24 = 207,780.30/x
  3. Step 3: Cross multiply
    377,546.04x = 521,013.24 × 207,780.30
  4. Step 4: Simplify right side
    377,546.04x = 108,256,287,311.17
  5. Step 5: Solve for x
    x = 108,256,287,311.17/377,546.04
  6. Step 6: Final answer
    x = 286,736.65

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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.