Home / 527,648.92-789,581.42-456,815.18

Finding the Fourth Proportional to 527,648.92, 789,581.42 and 456,815.18

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Solution

The fourth proportional to 527,648.92, 789,581.42 and 456,815.18 is: 683,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,648.92 : 789,581.42 = 456,815.18 : x
  2. Step 2: Convert to fraction form
    527,648.92/789,581.42 = 456,815.18/x
  3. Step 3: Cross multiply
    527,648.92x = 789,581.42 × 456,815.18
  4. Step 4: Simplify right side
    527,648.92x = 360,692,778,501.96
  5. Step 5: Solve for x
    x = 360,692,778,501.96/527,648.92
  6. Step 6: Final answer
    x = 683,584.79

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1.5x scale

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.