Home / 864,385.38-1,296,781.73-295,772.67

Finding the Fourth Proportional to 864,385.38, 1,296,781.73 and 295,772.67

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Solution

The fourth proportional to 864,385.38, 1,296,781.73 and 295,772.67 is: 443,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,385.38 : 1,296,781.73 = 295,772.67 : x
  2. Step 2: Convert to fraction form
    864,385.38/1,296,781.73 = 295,772.67/x
  3. Step 3: Cross multiply
    864,385.38x = 1,296,781.73 × 295,772.67
  4. Step 4: Simplify right side
    864,385.38x = 383,552,594,689.32
  5. Step 5: Solve for x
    x = 383,552,594,689.32/864,385.38
  6. Step 6: Final answer
    x = 443,728.69

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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.