Home / 1,051,806.40-1,577,709.60-341,906.20

Finding the Fourth Proportional to 1,051,806.40, 1,577,709.60 and 341,906.20

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Solution

The fourth proportional to 1,051,806.40, 1,577,709.60 and 341,906.20 is: 512,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,806.40 : 1,577,709.60 = 341,906.20 : x
  2. Step 2: Convert to fraction form
    1,051,806.40/1,577,709.60 = 341,906.20/x
  3. Step 3: Cross multiply
    1,051,806.40x = 1,577,709.60 × 341,906.20
  4. Step 4: Simplify right side
    1,051,806.40x = 539,428,694,039.52
  5. Step 5: Solve for x
    x = 539,428,694,039.52/1,051,806.40
  6. Step 6: Final answer
    x = 512,859.30

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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.