Home / 693,302.60-1,040,105.10-393,926.60

Finding the Fourth Proportional to 693,302.60, 1,040,105.10 and 393,926.60

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Solution

The fourth proportional to 693,302.60, 1,040,105.10 and 393,926.60 is: 590,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,302.60 : 1,040,105.10 = 393,926.60 : x
  2. Step 2: Convert to fraction form
    693,302.60/1,040,105.10 = 393,926.60/x
  3. Step 3: Cross multiply
    693,302.60x = 1,040,105.10 × 393,926.60
  4. Step 4: Simplify right side
    693,302.60x = 409,725,065,685.66
  5. Step 5: Solve for x
    x = 409,725,065,685.66/693,302.60
  6. Step 6: Final answer
    x = 590,975.81

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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.