Home / 1,535,414.52-2,118,874.86-856,394.76

Finding the Fourth Proportional to 1,535,414.52, 2,118,874.86 and 856,394.76

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Solution

The fourth proportional to 1,535,414.52, 2,118,874.86 and 856,394.76 is: 1,181,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,414.52 : 2,118,874.86 = 856,394.76 : x
  2. Step 2: Convert to fraction form
    1,535,414.52/2,118,874.86 = 856,394.76/x
  3. Step 3: Cross multiply
    1,535,414.52x = 2,118,874.86 × 856,394.76
  4. Step 4: Simplify right side
    1,535,414.52x = 1,814,593,327,199.73
  5. Step 5: Solve for x
    x = 1,814,593,327,199.73/1,535,414.52
  6. Step 6: Final answer
    x = 1,181,826.34

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1.5x scale

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.