Home / 912,461.80-1,259,205.51-504,591.31

Finding the Fourth Proportional to 912,461.80, 1,259,205.51 and 504,591.31

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Solution

The fourth proportional to 912,461.80, 1,259,205.51 and 504,591.31 is: 696,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,461.80 : 1,259,205.51 = 504,591.31 : x
  2. Step 2: Convert to fraction form
    912,461.80/1,259,205.51 = 504,591.31/x
  3. Step 3: Cross multiply
    912,461.80x = 1,259,205.51 × 504,591.31
  4. Step 4: Simplify right side
    912,461.80x = 635,384,157,850.12
  5. Step 5: Solve for x
    x = 635,384,157,850.12/912,461.80
  6. Step 6: Final answer
    x = 696,340.56

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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.