Home / 891,415.21-1,337,353.35-522,012.56

Finding the Fourth Proportional to 891,415.21, 1,337,353.35 and 522,012.56

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Solution

The fourth proportional to 891,415.21, 1,337,353.35 and 522,012.56 is: 783,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,415.21 : 1,337,353.35 = 522,012.56 : x
  2. Step 2: Convert to fraction form
    891,415.21/1,337,353.35 = 522,012.56/x
  3. Step 3: Cross multiply
    891,415.21x = 1,337,353.35 × 522,012.56
  4. Step 4: Simplify right side
    891,415.21x = 698,115,245,858.08
  5. Step 5: Solve for x
    x = 698,115,245,858.08/891,415.21
  6. Step 6: Final answer
    x = 783,153.84

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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.