Home / 837,782.70-1,156,145.19-455,812.26

Finding the Fourth Proportional to 837,782.70, 1,156,145.19 and 455,812.26

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Solution

The fourth proportional to 837,782.70, 1,156,145.19 and 455,812.26 is: 629,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,782.70 : 1,156,145.19 = 455,812.26 : x
  2. Step 2: Convert to fraction form
    837,782.70/1,156,145.19 = 455,812.26/x
  3. Step 3: Cross multiply
    837,782.70x = 1,156,145.19 × 455,812.26
  4. Step 4: Simplify right side
    837,782.70x = 526,985,151,942.03
  5. Step 5: Solve for x
    x = 526,985,151,942.03/837,782.70
  6. Step 6: Final answer
    x = 629,023.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.