Home / 930,564.45-1,396,010.70-331,873.20

Finding the Fourth Proportional to 930,564.45, 1,396,010.70 and 331,873.20

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Solution

The fourth proportional to 930,564.45, 1,396,010.70 and 331,873.20 is: 497,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,564.45 : 1,396,010.70 = 331,873.20 : x
  2. Step 2: Convert to fraction form
    930,564.45/1,396,010.70 = 331,873.20/x
  3. Step 3: Cross multiply
    930,564.45x = 1,396,010.70 × 331,873.20
  4. Step 4: Simplify right side
    930,564.45x = 463,298,538,243.24
  5. Step 5: Solve for x
    x = 463,298,538,243.24/930,564.45
  6. Step 6: Final answer
    x = 497,868.30

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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.