Home / 693,453.60-1,040,180.40-593,920.80

Finding the Fourth Proportional to 693,453.60, 1,040,180.40 and 593,920.80

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Solution

The fourth proportional to 693,453.60, 1,040,180.40 and 593,920.80 is: 890,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,453.60 : 1,040,180.40 = 593,920.80 : x
  2. Step 2: Convert to fraction form
    693,453.60/1,040,180.40 = 593,920.80/x
  3. Step 3: Cross multiply
    693,453.60x = 1,040,180.40 × 593,920.80
  4. Step 4: Simplify right side
    693,453.60x = 617,784,775,312.32
  5. Step 5: Solve for x
    x = 617,784,775,312.32/693,453.60
  6. Step 6: Final answer
    x = 890,881.20

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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.