Home / 731,593.96-1,009,757.55-445,206.31

Finding the Fourth Proportional to 731,593.96, 1,009,757.55 and 445,206.31

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Solution

The fourth proportional to 731,593.96, 1,009,757.55 and 445,206.31 is: 614,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,593.96 : 1,009,757.55 = 445,206.31 : x
  2. Step 2: Convert to fraction form
    731,593.96/1,009,757.55 = 445,206.31/x
  3. Step 3: Cross multiply
    731,593.96x = 1,009,757.55 × 445,206.31
  4. Step 4: Simplify right side
    731,593.96x = 449,550,432,830.14
  5. Step 5: Solve for x
    x = 449,550,432,830.14/731,593.96
  6. Step 6: Final answer
    x = 614,480.79

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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.