Home / 1,093,450.80-1,640,176.20-384,279.60

Finding the Fourth Proportional to 1,093,450.80, 1,640,176.20 and 384,279.60

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Solution

The fourth proportional to 1,093,450.80, 1,640,176.20 and 384,279.60 is: 576,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,450.80 : 1,640,176.20 = 384,279.60 : x
  2. Step 2: Convert to fraction form
    1,093,450.80/1,640,176.20 = 384,279.60/x
  3. Step 3: Cross multiply
    1,093,450.80x = 1,640,176.20 × 384,279.60
  4. Step 4: Simplify right side
    1,093,450.80x = 630,286,254,065.52
  5. Step 5: Solve for x
    x = 630,286,254,065.52/1,093,450.80
  6. Step 6: Final answer
    x = 576,419.40

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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.