Home / 1,262,404.64-1,742,120.35-718,540.42

Finding the Fourth Proportional to 1,262,404.64, 1,742,120.35 and 718,540.42

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Solution

The fourth proportional to 1,262,404.64, 1,742,120.35 and 718,540.42 is: 991,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,404.64 : 1,742,120.35 = 718,540.42 : x
  2. Step 2: Convert to fraction form
    1,262,404.64/1,742,120.35 = 718,540.42/x
  3. Step 3: Cross multiply
    1,262,404.64x = 1,742,120.35 × 718,540.42
  4. Step 4: Simplify right side
    1,262,404.64x = 1,251,783,875,676.24
  5. Step 5: Solve for x
    x = 1,251,783,875,676.24/1,262,404.64
  6. Step 6: Final answer
    x = 991,586.88

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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.