Home / 622,109.10-933,163.65-611,741.10

Finding the Fourth Proportional to 622,109.10, 933,163.65 and 611,741.10

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Solution

The fourth proportional to 622,109.10, 933,163.65 and 611,741.10 is: 917,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,109.10 : 933,163.65 = 611,741.10 : x
  2. Step 2: Convert to fraction form
    622,109.10/933,163.65 = 611,741.10/x
  3. Step 3: Cross multiply
    622,109.10x = 933,163.65 × 611,741.10
  4. Step 4: Simplify right side
    622,109.10x = 570,854,557,731.02
  5. Step 5: Solve for x
    x = 570,854,557,731.02/622,109.10
  6. Step 6: Final answer
    x = 917,611.65

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Double scale
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Similar ratio
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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.