Home / 852,375.60-1,278,563.40-535,114.80

Finding the Fourth Proportional to 852,375.60, 1,278,563.40 and 535,114.80

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Solution

The fourth proportional to 852,375.60, 1,278,563.40 and 535,114.80 is: 802,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,375.60 : 1,278,563.40 = 535,114.80 : x
  2. Step 2: Convert to fraction form
    852,375.60/1,278,563.40 = 535,114.80/x
  3. Step 3: Cross multiply
    852,375.60x = 1,278,563.40 × 535,114.80
  4. Step 4: Simplify right side
    852,375.60x = 684,178,198,078.32
  5. Step 5: Solve for x
    x = 684,178,198,078.32/852,375.60
  6. Step 6: Final answer
    x = 802,672.20

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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.