Home / 1,685,553.20-2,528,657.85-487,514.60

Finding the Fourth Proportional to 1,685,553.20, 2,528,657.85 and 487,514.60

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Solution

The fourth proportional to 1,685,553.20, 2,528,657.85 and 487,514.60 is: 731,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,553.20 : 2,528,657.85 = 487,514.60 : x
  2. Step 2: Convert to fraction form
    1,685,553.20/2,528,657.85 = 487,514.60/x
  3. Step 3: Cross multiply
    1,685,553.20x = 2,528,657.85 × 487,514.60
  4. Step 4: Simplify right side
    1,685,553.20x = 1,232,757,620,279.61
  5. Step 5: Solve for x
    x = 1,232,757,620,279.61/1,685,553.20
  6. Step 6: Final answer
    x = 731,366.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.