Home / 933,109.12-1,287,027.20-622,855.20

Finding the Fourth Proportional to 933,109.12, 1,287,027.20 and 622,855.20

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Solution

The fourth proportional to 933,109.12, 1,287,027.20 and 622,855.20 is: 859,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,109.12 : 1,287,027.20 = 622,855.20 : x
  2. Step 2: Convert to fraction form
    933,109.12/1,287,027.20 = 622,855.20/x
  3. Step 3: Cross multiply
    933,109.12x = 1,287,027.20 × 622,855.20
  4. Step 4: Simplify right side
    933,109.12x = 801,631,584,061.44
  5. Step 5: Solve for x
    x = 801,631,584,061.44/933,109.12
  6. Step 6: Final answer
    x = 859,097.36

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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.