Home / 928,594.20-1,281,513.36-520,826.84

Finding the Fourth Proportional to 928,594.20, 1,281,513.36 and 520,826.84

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Solution

The fourth proportional to 928,594.20, 1,281,513.36 and 520,826.84 is: 718,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,594.20 : 1,281,513.36 = 520,826.84 : x
  2. Step 2: Convert to fraction form
    928,594.20/1,281,513.36 = 520,826.84/x
  3. Step 3: Cross multiply
    928,594.20x = 1,281,513.36 × 520,826.84
  4. Step 4: Simplify right side
    928,594.20x = 667,446,553,706.58
  5. Step 5: Solve for x
    x = 667,446,553,706.58/928,594.20
  6. Step 6: Final answer
    x = 718,770.97

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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.