Home / 694,688.40-1,042,032.60-295,342.20

Finding the Fourth Proportional to 694,688.40, 1,042,032.60 and 295,342.20

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Solution

The fourth proportional to 694,688.40, 1,042,032.60 and 295,342.20 is: 443,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,688.40 : 1,042,032.60 = 295,342.20 : x
  2. Step 2: Convert to fraction form
    694,688.40/1,042,032.60 = 295,342.20/x
  3. Step 3: Cross multiply
    694,688.40x = 1,042,032.60 × 295,342.20
  4. Step 4: Simplify right side
    694,688.40x = 307,756,200,555.72
  5. Step 5: Solve for x
    x = 307,756,200,555.72/694,688.40
  6. Step 6: Final answer
    x = 443,013.30

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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.