Home / 527,647.41-789,579.18-456,813.67

Finding the Fourth Proportional to 527,647.41, 789,579.18 and 456,813.67

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Solution

The fourth proportional to 527,647.41, 789,579.18 and 456,813.67 is: 683,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,647.41 : 789,579.18 = 456,813.67 : x
  2. Step 2: Convert to fraction form
    527,647.41/789,579.18 = 456,813.67/x
  3. Step 3: Cross multiply
    527,647.41x = 789,579.18 × 456,813.67
  4. Step 4: Simplify right side
    527,647.41x = 360,690,562,971.39
  5. Step 5: Solve for x
    x = 360,690,562,971.39/527,647.41
  6. Step 6: Final answer
    x = 683,582.55

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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.