Home / 1,438,219.01-2,156,767.77-539,170.67

Finding the Fourth Proportional to 1,438,219.01, 2,156,767.77 and 539,170.67

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Solution

The fourth proportional to 1,438,219.01, 2,156,767.77 and 539,170.67 is: 808,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,219.01 : 2,156,767.77 = 539,170.67 : x
  2. Step 2: Convert to fraction form
    1,438,219.01/2,156,767.77 = 539,170.67/x
  3. Step 3: Cross multiply
    1,438,219.01x = 2,156,767.77 × 539,170.67
  4. Step 4: Simplify right side
    1,438,219.01x = 1,162,865,923,585.31
  5. Step 5: Solve for x
    x = 1,162,865,923,585.31/1,438,219.01
  6. Step 6: Final answer
    x = 808,545.79

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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.