Home / 835,369.10-1,253,580.78-355,596.20

Finding the Fourth Proportional to 835,369.10, 1,253,580.78 and 355,596.20

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Solution

The fourth proportional to 835,369.10, 1,253,580.78 and 355,596.20 is: 533,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,369.10 : 1,253,580.78 = 355,596.20 : x
  2. Step 2: Convert to fraction form
    835,369.10/1,253,580.78 = 355,596.20/x
  3. Step 3: Cross multiply
    835,369.10x = 1,253,580.78 × 355,596.20
  4. Step 4: Simplify right side
    835,369.10x = 445,768,561,761.04
  5. Step 5: Solve for x
    x = 445,768,561,761.04/835,369.10
  6. Step 6: Final answer
    x = 533,618.69

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Double scale
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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.