Home / 753,173.72-1,039,375.68-409,006.58

Finding the Fourth Proportional to 753,173.72, 1,039,375.68 and 409,006.58

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Solution

The fourth proportional to 753,173.72, 1,039,375.68 and 409,006.58 is: 564,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,173.72 : 1,039,375.68 = 409,006.58 : x
  2. Step 2: Convert to fraction form
    753,173.72/1,039,375.68 = 409,006.58/x
  3. Step 3: Cross multiply
    753,173.72x = 1,039,375.68 × 409,006.58
  4. Step 4: Simplify right side
    753,173.72x = 425,111,492,211.97
  5. Step 5: Solve for x
    x = 425,111,492,211.97/753,173.72
  6. Step 6: Final answer
    x = 564,426.88

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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.