Home / 1,079,072.60-1,618,608.90-369,037.40

Finding the Fourth Proportional to 1,079,072.60, 1,618,608.90 and 369,037.40

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Solution

The fourth proportional to 1,079,072.60, 1,618,608.90 and 369,037.40 is: 553,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,072.60 : 1,618,608.90 = 369,037.40 : x
  2. Step 2: Convert to fraction form
    1,079,072.60/1,618,608.90 = 369,037.40/x
  3. Step 3: Cross multiply
    1,079,072.60x = 1,618,608.90 × 369,037.40
  4. Step 4: Simplify right side
    1,079,072.60x = 597,327,220,072.86
  5. Step 5: Solve for x
    x = 597,327,220,072.86/1,079,072.60
  6. Step 6: Final answer
    x = 553,556.10

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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.