Home / 934,218.25-1,289,431.19-611,741.05

Finding the Fourth Proportional to 934,218.25, 1,289,431.19 and 611,741.05

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Solution

The fourth proportional to 934,218.25, 1,289,431.19 and 611,741.05 is: 844,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,218.25 : 1,289,431.19 = 611,741.05 : x
  2. Step 2: Convert to fraction form
    934,218.25/1,289,431.19 = 611,741.05/x
  3. Step 3: Cross multiply
    934,218.25x = 1,289,431.19 × 611,741.05
  4. Step 4: Simplify right side
    934,218.25x = 788,797,987,014.64
  5. Step 5: Solve for x
    x = 788,797,987,014.64/934,218.25
  6. Step 6: Final answer
    x = 844,340.16

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.