Home / 1,084,881.75-1,627,322.63-420,033.75

Finding the Fourth Proportional to 1,084,881.75, 1,627,322.63 and 420,033.75

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Solution

The fourth proportional to 1,084,881.75, 1,627,322.63 and 420,033.75 is: 630,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,881.75 : 1,627,322.63 = 420,033.75 : x
  2. Step 2: Convert to fraction form
    1,084,881.75/1,627,322.63 = 420,033.75/x
  3. Step 3: Cross multiply
    1,084,881.75x = 1,627,322.63 × 420,033.75
  4. Step 4: Simplify right side
    1,084,881.75x = 683,530,424,638.59
  5. Step 5: Solve for x
    x = 683,530,424,638.59/1,084,881.75
  6. Step 6: Final answer
    x = 630,050.63

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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.