Home / 1,542,184.92-2,128,023.90-897,719.76

Finding the Fourth Proportional to 1,542,184.92, 2,128,023.90 and 897,719.76

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Solution

The fourth proportional to 1,542,184.92, 2,128,023.90 and 897,719.76 is: 1,238,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,184.92 : 2,128,023.90 = 897,719.76 : x
  2. Step 2: Convert to fraction form
    1,542,184.92/2,128,023.90 = 897,719.76/x
  3. Step 3: Cross multiply
    1,542,184.92x = 2,128,023.90 × 897,719.76
  4. Step 4: Simplify right side
    1,542,184.92x = 1,910,369,104,782.26
  5. Step 5: Solve for x
    x = 1,910,369,104,782.26/1,542,184.92
  6. Step 6: Final answer
    x = 1,238,741.92

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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.