Home / 1,285,819.11-1,928,593.35-527,740.74

Finding the Fourth Proportional to 1,285,819.11, 1,928,593.35 and 527,740.74

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Solution

The fourth proportional to 1,285,819.11, 1,928,593.35 and 527,740.74 is: 791,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,819.11 : 1,928,593.35 = 527,740.74 : x
  2. Step 2: Convert to fraction form
    1,285,819.11/1,928,593.35 = 527,740.74/x
  3. Step 3: Cross multiply
    1,285,819.11x = 1,928,593.35 × 527,740.74
  4. Step 4: Simplify right side
    1,285,819.11x = 1,017,797,281,688.08
  5. Step 5: Solve for x
    x = 1,017,797,281,688.08/1,285,819.11
  6. Step 6: Final answer
    x = 791,555.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.