Home / 1,098,219.72-1,648,394.82-530,000.73

Finding the Fourth Proportional to 1,098,219.72, 1,648,394.82 and 530,000.73

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Solution

The fourth proportional to 1,098,219.72, 1,648,394.82 and 530,000.73 is: 795,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,219.72 : 1,648,394.82 = 530,000.73 : x
  2. Step 2: Convert to fraction form
    1,098,219.72/1,648,394.82 = 530,000.73/x
  3. Step 3: Cross multiply
    1,098,219.72x = 1,648,394.82 × 530,000.73
  4. Step 4: Simplify right side
    1,098,219.72x = 873,650,457,928.22
  5. Step 5: Solve for x
    x = 873,650,457,928.22/1,098,219.72
  6. Step 6: Final answer
    x = 795,515.18

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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.