Home / 1,356,193.60-2,034,290.40-409,441.30

Finding the Fourth Proportional to 1,356,193.60, 2,034,290.40 and 409,441.30

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Solution

The fourth proportional to 1,356,193.60, 2,034,290.40 and 409,441.30 is: 614,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,193.60 : 2,034,290.40 = 409,441.30 : x
  2. Step 2: Convert to fraction form
    1,356,193.60/2,034,290.40 = 409,441.30/x
  3. Step 3: Cross multiply
    1,356,193.60x = 2,034,290.40 × 409,441.30
  4. Step 4: Simplify right side
    1,356,193.60x = 832,922,505,953.52
  5. Step 5: Solve for x
    x = 832,922,505,953.52/1,356,193.60
  6. Step 6: Final answer
    x = 614,161.95

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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.