Home / 1,674,743.20-2,512,143.60-476,696.32

Finding the Fourth Proportional to 1,674,743.20, 2,512,143.60 and 476,696.32

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Solution

The fourth proportional to 1,674,743.20, 2,512,143.60 and 476,696.32 is: 715,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,743.20 : 2,512,143.60 = 476,696.32 : x
  2. Step 2: Convert to fraction form
    1,674,743.20/2,512,143.60 = 476,696.32/x
  3. Step 3: Cross multiply
    1,674,743.20x = 2,512,143.60 × 476,696.32
  4. Step 4: Simplify right side
    1,674,743.20x = 1,197,529,609,431.55
  5. Step 5: Solve for x
    x = 1,197,529,609,431.55/1,674,743.20
  6. Step 6: Final answer
    x = 715,052.68

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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.