Home / 891,887.14-1,230,805.09-509,921.92

Finding the Fourth Proportional to 891,887.14, 1,230,805.09 and 509,921.92

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Solution

The fourth proportional to 891,887.14, 1,230,805.09 and 509,921.92 is: 703,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,887.14 : 1,230,805.09 = 509,921.92 : x
  2. Step 2: Convert to fraction form
    891,887.14/1,230,805.09 = 509,921.92/x
  3. Step 3: Cross multiply
    891,887.14x = 1,230,805.09 × 509,921.92
  4. Step 4: Simplify right side
    891,887.14x = 627,614,494,638.57
  5. Step 5: Solve for x
    x = 627,614,494,638.57/891,887.14
  6. Step 6: Final answer
    x = 703,692.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.