Home / 815,918.36-1,223,116.60-275,798.83

Finding the Fourth Proportional to 815,918.36, 1,223,116.60 and 275,798.83

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Solution

The fourth proportional to 815,918.36, 1,223,116.60 and 275,798.83 is: 413,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,918.36 : 1,223,116.60 = 275,798.83 : x
  2. Step 2: Convert to fraction form
    815,918.36/1,223,116.60 = 275,798.83/x
  3. Step 3: Cross multiply
    815,918.36x = 1,223,116.60 × 275,798.83
  4. Step 4: Simplify right side
    815,918.36x = 337,334,121,118.00
  5. Step 5: Solve for x
    x = 337,334,121,118.00/815,918.36
  6. Step 6: Final answer
    x = 413,441.03

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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.