Home / 1,337,560.81-2,005,919.76-438,793.11

Finding the Fourth Proportional to 1,337,560.81, 2,005,919.76 and 438,793.11

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Solution

The fourth proportional to 1,337,560.81, 2,005,919.76 and 438,793.11 is: 658,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,560.81 : 2,005,919.76 = 438,793.11 : x
  2. Step 2: Convert to fraction form
    1,337,560.81/2,005,919.76 = 438,793.11/x
  3. Step 3: Cross multiply
    1,337,560.81x = 2,005,919.76 × 438,793.11
  4. Step 4: Simplify right side
    1,337,560.81x = 880,183,769,900.85
  5. Step 5: Solve for x
    x = 880,183,769,900.85/1,337,560.81
  6. Step 6: Final answer
    x = 658,051.40

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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.