Home / 693,564.60-1,040,346.90-338,633.40

Finding the Fourth Proportional to 693,564.60, 1,040,346.90 and 338,633.40

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Solution

The fourth proportional to 693,564.60, 1,040,346.90 and 338,633.40 is: 507,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,564.60 : 1,040,346.90 = 338,633.40 : x
  2. Step 2: Convert to fraction form
    693,564.60/1,040,346.90 = 338,633.40/x
  3. Step 3: Cross multiply
    693,564.60x = 1,040,346.90 × 338,633.40
  4. Step 4: Simplify right side
    693,564.60x = 352,296,207,926.46
  5. Step 5: Solve for x
    x = 352,296,207,926.46/693,564.60
  6. Step 6: Final answer
    x = 507,950.10

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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.