Home / 957,271.54-1,321,062.40-527,579.34

Finding the Fourth Proportional to 957,271.54, 1,321,062.40 and 527,579.34

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Solution

The fourth proportional to 957,271.54, 1,321,062.40 and 527,579.34 is: 728,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,271.54 : 1,321,062.40 = 527,579.34 : x
  2. Step 2: Convert to fraction form
    957,271.54/1,321,062.40 = 527,579.34/x
  3. Step 3: Cross multiply
    957,271.54x = 1,321,062.40 × 527,579.34
  4. Step 4: Simplify right side
    957,271.54x = 696,965,229,090.82
  5. Step 5: Solve for x
    x = 696,965,229,090.82/957,271.54
  6. Step 6: Final answer
    x = 728,074.74

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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.