Home / 801,619.79-1,106,191.21-438,973.27

Finding the Fourth Proportional to 801,619.79, 1,106,191.21 and 438,973.27

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Solution

The fourth proportional to 801,619.79, 1,106,191.21 and 438,973.27 is: 605,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,619.79 : 1,106,191.21 = 438,973.27 : x
  2. Step 2: Convert to fraction form
    801,619.79/1,106,191.21 = 438,973.27/x
  3. Step 3: Cross multiply
    801,619.79x = 1,106,191.21 × 438,973.27
  4. Step 4: Simplify right side
    801,619.79x = 485,588,374,646.83
  5. Step 5: Solve for x
    x = 485,588,374,646.83/801,619.79
  6. Step 6: Final answer
    x = 605,758.96

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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.