Home / 931,043.66-1,396,563.66-257,123.25

Finding the Fourth Proportional to 931,043.66, 1,396,563.66 and 257,123.25

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Solution

The fourth proportional to 931,043.66, 1,396,563.66 and 257,123.25 is: 385,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,043.66 : 1,396,563.66 = 257,123.25 : x
  2. Step 2: Convert to fraction form
    931,043.66/1,396,563.66 = 257,123.25/x
  3. Step 3: Cross multiply
    931,043.66x = 1,396,563.66 × 257,123.25
  4. Step 4: Simplify right side
    931,043.66x = 359,088,987,091.10
  5. Step 5: Solve for x
    x = 359,088,987,091.10/931,043.66
  6. Step 6: Final answer
    x = 385,684.37

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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.