Home / 1,093,436.80-1,640,155.20-384,265.60

Finding the Fourth Proportional to 1,093,436.80, 1,640,155.20 and 384,265.60

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Solution

The fourth proportional to 1,093,436.80, 1,640,155.20 and 384,265.60 is: 576,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,436.80 : 1,640,155.20 = 384,265.60 : x
  2. Step 2: Convert to fraction form
    1,093,436.80/1,640,155.20 = 384,265.60/x
  3. Step 3: Cross multiply
    1,093,436.80x = 1,640,155.20 × 384,265.60
  4. Step 4: Simplify right side
    1,093,436.80x = 630,255,222,021.12
  5. Step 5: Solve for x
    x = 630,255,222,021.12/1,093,436.80
  6. Step 6: Final answer
    x = 576,398.40

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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.