Home / 1,085,268.60-1,628,486.10-454,246.20

Finding the Fourth Proportional to 1,085,268.60, 1,628,486.10 and 454,246.20

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Solution

The fourth proportional to 1,085,268.60, 1,628,486.10 and 454,246.20 is: 681,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,268.60 : 1,628,486.10 = 454,246.20 : x
  2. Step 2: Convert to fraction form
    1,085,268.60/1,628,486.10 = 454,246.20/x
  3. Step 3: Cross multiply
    1,085,268.60x = 1,628,486.10 × 454,246.20
  4. Step 4: Simplify right side
    1,085,268.60x = 739,733,622,677.82
  5. Step 5: Solve for x
    x = 739,733,622,677.82/1,085,268.60
  6. Step 6: Final answer
    x = 681,613.40

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Double scale
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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.