Home / 1,511,256.63-2,085,375.60-857,674.52

Finding the Fourth Proportional to 1,511,256.63, 2,085,375.60 and 857,674.52

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Solution

The fourth proportional to 1,511,256.63, 2,085,375.60 and 857,674.52 is: 1,183,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,256.63 : 2,085,375.60 = 857,674.52 : x
  2. Step 2: Convert to fraction form
    1,511,256.63/2,085,375.60 = 857,674.52/x
  3. Step 3: Cross multiply
    1,511,256.63x = 2,085,375.60 × 857,674.52
  4. Step 4: Simplify right side
    1,511,256.63x = 1,788,573,506,322.83
  5. Step 5: Solve for x
    x = 1,788,573,506,322.83/1,511,256.63
  6. Step 6: Final answer
    x = 1,183,500.85

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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.