Home / 912,828.20-1,259,605.94-504,865.22

Finding the Fourth Proportional to 912,828.20, 1,259,605.94 and 504,865.22

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Solution

The fourth proportional to 912,828.20, 1,259,605.94 and 504,865.22 is: 696,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,828.20 : 1,259,605.94 = 504,865.22 : x
  2. Step 2: Convert to fraction form
    912,828.20/1,259,605.94 = 504,865.22/x
  3. Step 3: Cross multiply
    912,828.20x = 1,259,605.94 × 504,865.22
  4. Step 4: Simplify right side
    912,828.20x = 635,931,221,189.05
  5. Step 5: Solve for x
    x = 635,931,221,189.05/912,828.20
  6. Step 6: Final answer
    x = 696,660.36

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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.