Home / 1,242,039.67-1,863,059.35-400,591.42

Finding the Fourth Proportional to 1,242,039.67, 1,863,059.35 and 400,591.42

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Solution

The fourth proportional to 1,242,039.67, 1,863,059.35 and 400,591.42 is: 600,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,039.67 : 1,863,059.35 = 400,591.42 : x
  2. Step 2: Convert to fraction form
    1,242,039.67/1,863,059.35 = 400,591.42/x
  3. Step 3: Cross multiply
    1,242,039.67x = 1,863,059.35 × 400,591.42
  4. Step 4: Simplify right side
    1,242,039.67x = 746,325,585,652.76
  5. Step 5: Solve for x
    x = 746,325,585,652.76/1,242,039.67
  6. Step 6: Final answer
    x = 600,887.08

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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.