Home / 815,727.20-1,223,590.80-605,775.20

Finding the Fourth Proportional to 815,727.20, 1,223,590.80 and 605,775.20

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Solution

The fourth proportional to 815,727.20, 1,223,590.80 and 605,775.20 is: 908,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,727.20 : 1,223,590.80 = 605,775.20 : x
  2. Step 2: Convert to fraction form
    815,727.20/1,223,590.80 = 605,775.20/x
  3. Step 3: Cross multiply
    815,727.20x = 1,223,590.80 × 605,775.20
  4. Step 4: Simplify right side
    815,727.20x = 741,220,961,588.16
  5. Step 5: Solve for x
    x = 741,220,961,588.16/815,727.20
  6. Step 6: Final answer
    x = 908,662.80

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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.